28002790

素因数分解:

$2^1\times 5^1\times {\mathrm{947}}^1\times {\mathrm{2957}}^1$

素因数の和:3911

約数の個数: 16

約数和(自身を含む): 50475312

約数和(自身を除く): 22472522

約数列:

[1, 2, 5, 10, 947, 1894, 2957, 4735, 5914, 9470, 14785, 29570, 2800279, 5600558, 14001395, 28002790]

約数ペア:

[(1, 28002790), (2, 14001395), (5, 5600558), (10, 2800279), (947, 29570), (1894, 14785), (2957, 9470), (4735, 5914)]