217483308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{239}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 662538240

約数和(自身を除く): 445054932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 23, 28, 36, 42, 46, 63, 69, 84, 92, 126, 138, 157, 161, 207, 239, 252, 276, 314, 322, 414, 471, 478, 483, 628, 644, 717, 828, 942, 956, 966, 1099, 1413, 1434, 1449, 1673, 1884, 1932, 2151, 2198, 2826, 2868, 2898, 3297, 3346, 3611, 4302, 4396, 5019, 5497, 5652, 5796, 6594, 6692, 7222, 8604, 9891, 10038, 10833, 10994, 13188, 14444, 15057, 16491, 19782, 20076, 21666, 21988, 25277, 30114, 32499, 32982, 37523, 38479, 39564, 43332, 49473, 50554, 60228, 64998, 65964, 75046, 75831, 76958, 98946, 101108, 112569, 115437, 129996, 150092, 151662, 153916, 197892, 225138, 227493, 230874, 262661, 303324, 337707, 346311, 450276, 454986, 461748, 525322, 675414, 692622, 787983, 863029, 909972, 1050644, 1350828, 1385244, 1575966, 1726058, 2363949, 2589087, 3151932, 3452116, 4727898, 5178174, 6041203, 7767261, 9455796, 10356348, 12082406, 15534522, 18123609, 24164812, 31069044, 36247218, 54370827, 72494436, 108741654, 217483308]

約数ペア:

[(1, 217483308), (2, 108741654), (3, 72494436), (4, 54370827), (6, 36247218), (7, 31069044), (9, 24164812), (12, 18123609), (14, 15534522), (18, 12082406), (21, 10356348), (23, 9455796), (28, 7767261), (36, 6041203), (42, 5178174), (46, 4727898), (63, 3452116), (69, 3151932), (84, 2589087), (92, 2363949), (126, 1726058), (138, 1575966), (157, 1385244), (161, 1350828), (207, 1050644), (239, 909972), (252, 863029), (276, 787983), (314, 692622), (322, 675414), (414, 525322), (471, 461748), (478, 454986), (483, 450276), (628, 346311), (644, 337707), (717, 303324), (828, 262661), (942, 230874), (956, 227493), (966, 225138), (1099, 197892), (1413, 153916), (1434, 151662), (1449, 150092), (1673, 129996), (1884, 115437), (1932, 112569), (2151, 101108), (2198, 98946), (2826, 76958), (2868, 75831), (2898, 75046), (3297, 65964), (3346, 64998), (3611, 60228), (4302, 50554), (4396, 49473), (5019, 43332), (5497, 39564), (5652, 38479), (5796, 37523), (6594, 32982), (6692, 32499), (7222, 30114), (8604, 25277), (9891, 21988), (10038, 21666), (10833, 20076), (10994, 19782), (13188, 16491), (14444, 15057)]