1388977552

素因数分解:

$2^4\times {\mathrm{211}}^1\times {\mathrm{467}}^1\times {\mathrm{881}}^1$

素因数の和:1567

約数の個数: 40

約数和(自身を含む): 2712763872

約数和(自身を除く): 1323786320

約数列:

[1, 2, 4, 8, 16, 211, 422, 467, 844, 881, 934, 1688, 1762, 1868, 3376, 3524, 3736, 7048, 7472, 14096, 98537, 185891, 197074, 371782, 394148, 411427, 743564, 788296, 822854, 1487128, 1576592, 1645708, 2974256, 3291416, 6582832, 86811097, 173622194, 347244388, 694488776, 1388977552]

約数ペア:

[(1, 1388977552), (2, 694488776), (4, 347244388), (8, 173622194), (16, 86811097), (211, 6582832), (422, 3291416), (467, 2974256), (844, 1645708), (881, 1576592), (934, 1487128), (1688, 822854), (1762, 788296), (1868, 743564), (3376, 411427), (3524, 394148), (3736, 371782), (7048, 197074), (7472, 185891), (14096, 98537)]