388629872

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{503}}^1\times {\mathrm{1123}}^1$

素因数の和:1677

約数の個数: 40

約数和(自身を含む): 772700544

約数和(自身を除く): 384070672

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 503, 688, 1006, 1123, 2012, 2246, 4024, 4492, 8048, 8984, 17968, 21629, 43258, 48289, 86516, 96578, 173032, 193156, 346064, 386312, 564869, 772624, 1129738, 2259476, 4518952, 9037904, 24289367, 48578734, 97157468, 194314936, 388629872]

約数ペア:

[(1, 388629872), (2, 194314936), (4, 97157468), (8, 48578734), (16, 24289367), (43, 9037904), (86, 4518952), (172, 2259476), (344, 1129738), (503, 772624), (688, 564869), (1006, 386312), (1123, 346064), (2012, 193156), (2246, 173032), (4024, 96578), (4492, 86516), (8048, 48289), (8984, 43258), (17968, 21629)]