28343915

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1\times {\mathrm{383}}^1$

素因数の和:467

約数の個数: 24

約数和(自身を含む): 36868608

約数和(自身を除く): 8524693

約数列:

[1, 5, 19, 41, 95, 205, 361, 383, 779, 1805, 1915, 3895, 7277, 14801, 15703, 36385, 74005, 78515, 138263, 298357, 691315, 1491785, 5668783, 28343915]

約数ペア:

[(1, 28343915), (5, 5668783), (19, 1491785), (41, 691315), (95, 298357), (205, 138263), (361, 78515), (383, 74005), (779, 36385), (1805, 15703), (1915, 14801), (3895, 7277)]