28545868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{4007}}^1$

素因数の和:4161

約数の個数: 24

約数和(自身を含む): 54204192

約数和(自身を除く): 25658324

約数列:

[1, 2, 4, 13, 26, 52, 137, 274, 548, 1781, 3562, 4007, 7124, 8014, 16028, 52091, 104182, 208364, 548959, 1097918, 2195836, 7136467, 14272934, 28545868]

約数ペア:

[(1, 28545868), (2, 14272934), (4, 7136467), (13, 2195836), (26, 1097918), (52, 548959), (137, 208364), (274, 104182), (548, 52091), (1781, 16028), (3562, 8014), (4007, 7124)]