28902172

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10487}}^1$

素因数の和:10557

約数の個数: 24

約数和(自身を含む): 55502496

約数和(自身を除く): 26600324

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 212, 689, 1378, 2756, 10487, 20974, 41948, 136331, 272662, 545324, 555811, 1111622, 2223244, 7225543, 14451086, 28902172]

約数ペア:

[(1, 28902172), (2, 14451086), (4, 7225543), (13, 2223244), (26, 1111622), (52, 555811), (53, 545324), (106, 272662), (212, 136331), (689, 41948), (1378, 20974), (2756, 10487)]