1640477824

素因数分解:

$2^7\times {\mathrm{811}}^1\times {\mathrm{15803}}^1$

素因数の和:16628

約数の個数: 32

約数和(自身を含む): 3272376240

約数和(自身を除く): 1631898416

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 811, 1622, 3244, 6488, 12976, 15803, 25952, 31606, 51904, 63212, 103808, 126424, 252848, 505696, 1011392, 2022784, 12816233, 25632466, 51264932, 102529864, 205059728, 410119456, 820238912, 1640477824]

約数ペア:

[(1, 1640477824), (2, 820238912), (4, 410119456), (8, 205059728), (16, 102529864), (32, 51264932), (64, 25632466), (128, 12816233), (811, 2022784), (1622, 1011392), (3244, 505696), (6488, 252848), (12976, 126424), (15803, 103808), (25952, 63212), (31606, 51904)]