31661448

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:164

約数の個数: 192

約数和(自身を含む): 105336000

約数和(自身を除く): 73674552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 19, 21, 24, 26, 28, 38, 39, 42, 49, 52, 56, 57, 76, 78, 84, 91, 98, 104, 109, 114, 133, 147, 152, 156, 168, 182, 196, 218, 228, 247, 266, 273, 294, 312, 327, 364, 392, 399, 436, 456, 494, 532, 546, 588, 637, 654, 728, 741, 763, 798, 872, 931, 988, 1064, 1092, 1176, 1274, 1308, 1417, 1482, 1526, 1596, 1729, 1862, 1911, 1976, 2071, 2184, 2289, 2548, 2616, 2793, 2834, 2964, 3052, 3192, 3458, 3724, 3822, 4142, 4251, 4578, 5096, 5187, 5341, 5586, 5668, 5928, 6104, 6213, 6916, 7448, 7644, 8284, 8502, 9156, 9919, 10374, 10682, 11172, 11336, 12103, 12426, 13832, 14497, 15288, 16023, 16568, 17004, 18312, 19838, 20748, 21364, 22344, 24206, 24852, 26923, 28994, 29757, 32046, 34008, 36309, 39676, 41496, 42728, 43491, 48412, 49704, 53846, 57988, 59514, 64092, 69433, 72618, 79352, 80769, 86982, 96824, 101479, 107692, 115976, 119028, 128184, 138866, 145236, 161538, 173964, 188461, 202958, 208299, 215384, 238056, 277732, 290472, 304437, 323076, 347928, 376922, 405916, 416598, 555464, 565383, 608874, 646152, 753844, 811832, 833196, 1130766, 1217748, 1319227, 1507688, 1666392, 2261532, 2435496, 2638454, 3957681, 4523064, 5276908, 7915362, 10553816, 15830724, 31661448]

約数ペア:

[(1, 31661448), (2, 15830724), (3, 10553816), (4, 7915362), (6, 5276908), (7, 4523064), (8, 3957681), (12, 2638454), (13, 2435496), (14, 2261532), (19, 1666392), (21, 1507688), (24, 1319227), (26, 1217748), (28, 1130766), (38, 833196), (39, 811832), (42, 753844), (49, 646152), (52, 608874), (56, 565383), (57, 555464), (76, 416598), (78, 405916), (84, 376922), (91, 347928), (98, 323076), (104, 304437), (109, 290472), (114, 277732), (133, 238056), (147, 215384), (152, 208299), (156, 202958), (168, 188461), (182, 173964), (196, 161538), (218, 145236), (228, 138866), (247, 128184), (266, 119028), (273, 115976), (294, 107692), (312, 101479), (327, 96824), (364, 86982), (392, 80769), (399, 79352), (436, 72618), (456, 69433), (494, 64092), (532, 59514), (546, 57988), (588, 53846), (637, 49704), (654, 48412), (728, 43491), (741, 42728), (763, 41496), (798, 39676), (872, 36309), (931, 34008), (988, 32046), (1064, 29757), (1092, 28994), (1176, 26923), (1274, 24852), (1308, 24206), (1417, 22344), (1482, 21364), (1526, 20748), (1596, 19838), (1729, 18312), (1862, 17004), (1911, 16568), (1976, 16023), (2071, 15288), (2184, 14497), (2289, 13832), (2548, 12426), (2616, 12103), (2793, 11336), (2834, 11172), (2964, 10682), (3052, 10374), (3192, 9919), (3458, 9156), (3724, 8502), (3822, 8284), (4142, 7644), (4251, 7448), (4578, 6916), (5096, 6213), (5187, 6104), (5341, 5928), (5586, 5668)]