261771265

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{9601}}^1$

素因数の和:9673

約数の個数: 32

約数和(自身を含む): 387152640

約数和(自身を除く): 125381375

約数列:

[1, 5, 7, 19, 35, 41, 95, 133, 205, 287, 665, 779, 1435, 3895, 5453, 9601, 27265, 48005, 67207, 182419, 336035, 393641, 912095, 1276933, 1968205, 2755487, 6384665, 7479179, 13777435, 37395895, 52354253, 261771265]

約数ペア:

[(1, 261771265), (5, 52354253), (7, 37395895), (19, 13777435), (35, 7479179), (41, 6384665), (95, 2755487), (133, 1968205), (205, 1276933), (287, 912095), (665, 393641), (779, 336035), (1435, 182419), (3895, 67207), (5453, 48005), (9601, 27265)]