890265616

素因数分解:

$2^4\times {\mathrm{307}}^1\times {\mathrm{181243}}^1$

素因数の和:181558

約数の個数: 20

約数和(自身を含む): 1730517712

約数和(自身を除く): 840252096

約数列:

[1, 2, 4, 8, 16, 307, 614, 1228, 2456, 4912, 181243, 362486, 724972, 1449944, 2899888, 55641601, 111283202, 222566404, 445132808, 890265616]

約数ペア:

[(1, 890265616), (2, 445132808), (4, 222566404), (8, 111283202), (16, 55641601), (307, 2899888), (614, 1449944), (1228, 724972), (2456, 362486), (4912, 181243)]