639915216

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{251539}}^1$

素因数の和:251603

約数の個数: 40

約数和(自身を含む): 1684311840

約数和(自身を除く): 1044396624

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 212, 318, 424, 636, 848, 1272, 2544, 251539, 503078, 754617, 1006156, 1509234, 2012312, 3018468, 4024624, 6036936, 12073872, 13331567, 26663134, 39994701, 53326268, 79989402, 106652536, 159978804, 213305072, 319957608, 639915216]

約数ペア:

[(1, 639915216), (2, 319957608), (3, 213305072), (4, 159978804), (6, 106652536), (8, 79989402), (12, 53326268), (16, 39994701), (24, 26663134), (48, 13331567), (53, 12073872), (106, 6036936), (159, 4024624), (212, 3018468), (318, 2012312), (424, 1509234), (636, 1006156), (848, 754617), (1272, 503078), (2544, 251539)]