28380748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{20807}}^1$

素因数の和:20853

約数の個数: 24

約数和(自身を含む): 55931904

約数和(自身を除く): 27551156

約数列:

[1, 2, 4, 11, 22, 31, 44, 62, 124, 341, 682, 1364, 20807, 41614, 83228, 228877, 457754, 645017, 915508, 1290034, 2580068, 7095187, 14190374, 28380748]

約数ペア:

[(1, 28380748), (2, 14190374), (4, 7095187), (11, 2580068), (22, 1290034), (31, 915508), (44, 645017), (62, 457754), (124, 228877), (341, 83228), (682, 41614), (1364, 20807)]