1561690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{293}}^1$

素因数の和:354

約数の個数: 32

約数和(自身を含む): 3111696

約数和(自身を除く): 1550006

約数列:

[1, 2, 5, 10, 13, 26, 41, 65, 82, 130, 205, 293, 410, 533, 586, 1066, 1465, 2665, 2930, 3809, 5330, 7618, 12013, 19045, 24026, 38090, 60065, 120130, 156169, 312338, 780845, 1561690]

約数ペア:

[(1, 1561690), (2, 780845), (5, 312338), (10, 156169), (13, 120130), (26, 60065), (41, 38090), (65, 24026), (82, 19045), (130, 12013), (205, 7618), (293, 5330), (410, 3809), (533, 2930), (586, 2665), (1066, 1465)]