638625408

素因数分解:

$2^7\times 3^1\times {\mathrm{53}}^1\times {\mathrm{31379}}^1$

素因数の和:31449

約数の個数: 64

約数和(自身を含む): 1728410400

約数和(自身を除く): 1089784992

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 53, 64, 96, 106, 128, 159, 192, 212, 318, 384, 424, 636, 848, 1272, 1696, 2544, 3392, 5088, 6784, 10176, 20352, 31379, 62758, 94137, 125516, 188274, 251032, 376548, 502064, 753096, 1004128, 1506192, 1663087, 2008256, 3012384, 3326174, 4016512, 4989261, 6024768, 6652348, 9978522, 12049536, 13304696, 19957044, 26609392, 39914088, 53218784, 79828176, 106437568, 159656352, 212875136, 319312704, 638625408]

約数ペア:

[(1, 638625408), (2, 319312704), (3, 212875136), (4, 159656352), (6, 106437568), (8, 79828176), (12, 53218784), (16, 39914088), (24, 26609392), (32, 19957044), (48, 13304696), (53, 12049536), (64, 9978522), (96, 6652348), (106, 6024768), (128, 4989261), (159, 4016512), (192, 3326174), (212, 3012384), (318, 2008256), (384, 1663087), (424, 1506192), (636, 1004128), (848, 753096), (1272, 502064), (1696, 376548), (2544, 251032), (3392, 188274), (5088, 125516), (6784, 94137), (10176, 62758), (20352, 31379)]