71877715

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3919

約数の個数: 32

約数和(自身を含む): 108775296

約数和(自身を除く): 36897581

約数列:

[1, 5, 7, 13, 35, 41, 65, 91, 205, 287, 455, 533, 1435, 2665, 3731, 3853, 18655, 19265, 26971, 50089, 134855, 157973, 250445, 350623, 789865, 1105811, 1753115, 2053649, 5529055, 10268245, 14375543, 71877715]

約数ペア:

[(1, 71877715), (5, 14375543), (7, 10268245), (13, 5529055), (35, 2053649), (41, 1753115), (65, 1105811), (91, 789865), (205, 350623), (287, 250445), (455, 157973), (533, 134855), (1435, 50089), (2665, 26971), (3731, 19265), (3853, 18655)]