68905876

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{12157}}^1$

素因数の和:12283

約数の個数: 24

約数和(自身を含む): 131063240

約数和(自身を除く): 62157364

約数列:

[1, 2, 4, 13, 26, 52, 109, 218, 436, 1417, 2834, 5668, 12157, 24314, 48628, 158041, 316082, 632164, 1325113, 2650226, 5300452, 17226469, 34452938, 68905876]

約数ペア:

[(1, 68905876), (2, 34452938), (4, 17226469), (13, 5300452), (26, 2650226), (52, 1325113), (109, 632164), (218, 316082), (436, 158041), (1417, 48628), (2834, 24314), (5668, 12157)]