489387328

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:256

約数の個数: 84

約数和(自身を含む): 1026543540

約数和(自身を除く): 537156212

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 73, 109, 124, 146, 218, 248, 292, 436, 496, 584, 872, 961, 992, 1168, 1744, 1922, 1984, 2263, 2336, 3379, 3488, 3844, 4526, 4672, 6758, 6976, 7688, 7957, 9052, 13516, 15376, 15914, 18104, 27032, 30752, 31828, 36208, 54064, 61504, 63656, 70153, 72416, 104749, 108128, 127312, 140306, 144832, 209498, 216256, 246667, 254624, 280612, 418996, 493334, 509248, 561224, 837992, 986668, 1122448, 1675984, 1973336, 2244896, 3351968, 3946672, 4489792, 6703936, 7646677, 7893344, 15293354, 15786688, 30586708, 61173416, 122346832, 244693664, 489387328]

約数ペア:

[(1, 489387328), (2, 244693664), (4, 122346832), (8, 61173416), (16, 30586708), (31, 15786688), (32, 15293354), (62, 7893344), (64, 7646677), (73, 6703936), (109, 4489792), (124, 3946672), (146, 3351968), (218, 2244896), (248, 1973336), (292, 1675984), (436, 1122448), (496, 986668), (584, 837992), (872, 561224), (961, 509248), (992, 493334), (1168, 418996), (1744, 280612), (1922, 254624), (1984, 246667), (2263, 216256), (2336, 209498), (3379, 144832), (3488, 140306), (3844, 127312), (4526, 108128), (4672, 104749), (6758, 72416), (6976, 70153), (7688, 63656), (7957, 61504), (9052, 54064), (13516, 36208), (15376, 31828), (15914, 30752), (18104, 27032)]