31261536

素因数分解:

$2^5\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1$

素因数の和:261

約数の個数: 144

約数和(自身を含む): 97297200

約数和(自身を除く): 66035664

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 29, 32, 36, 38, 48, 57, 58, 72, 76, 87, 96, 114, 116, 144, 152, 171, 174, 197, 228, 232, 261, 288, 304, 342, 348, 394, 456, 464, 522, 551, 591, 608, 684, 696, 788, 912, 928, 1044, 1102, 1182, 1368, 1392, 1576, 1653, 1773, 1824, 2088, 2204, 2364, 2736, 2784, 3152, 3306, 3546, 3743, 4176, 4408, 4728, 4959, 5472, 5713, 6304, 6612, 7092, 7486, 8352, 8816, 9456, 9918, 11229, 11426, 13224, 14184, 14972, 17139, 17632, 18912, 19836, 22458, 22852, 26448, 28368, 29944, 33687, 34278, 39672, 44916, 45704, 51417, 52896, 56736, 59888, 67374, 68556, 79344, 89832, 91408, 102834, 108547, 119776, 134748, 137112, 158688, 179664, 182816, 205668, 217094, 269496, 274224, 325641, 359328, 411336, 434188, 538992, 548448, 651282, 822672, 868376, 976923, 1077984, 1302564, 1645344, 1736752, 1953846, 2605128, 3473504, 3907692, 5210256, 7815384, 10420512, 15630768, 31261536]

約数ペア:

[(1, 31261536), (2, 15630768), (3, 10420512), (4, 7815384), (6, 5210256), (8, 3907692), (9, 3473504), (12, 2605128), (16, 1953846), (18, 1736752), (19, 1645344), (24, 1302564), (29, 1077984), (32, 976923), (36, 868376), (38, 822672), (48, 651282), (57, 548448), (58, 538992), (72, 434188), (76, 411336), (87, 359328), (96, 325641), (114, 274224), (116, 269496), (144, 217094), (152, 205668), (171, 182816), (174, 179664), (197, 158688), (228, 137112), (232, 134748), (261, 119776), (288, 108547), (304, 102834), (342, 91408), (348, 89832), (394, 79344), (456, 68556), (464, 67374), (522, 59888), (551, 56736), (591, 52896), (608, 51417), (684, 45704), (696, 44916), (788, 39672), (912, 34278), (928, 33687), (1044, 29944), (1102, 28368), (1182, 26448), (1368, 22852), (1392, 22458), (1576, 19836), (1653, 18912), (1773, 17632), (1824, 17139), (2088, 14972), (2204, 14184), (2364, 13224), (2736, 11426), (2784, 11229), (3152, 9918), (3306, 9456), (3546, 8816), (3743, 8352), (4176, 7486), (4408, 7092), (4728, 6612), (4959, 6304), (5472, 5713)]