25574978

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{401}}^1$

素因数の和:650

約数の個数: 32

約数和(自身を含む): 45384192

約数和(自身を除く): 19809214

約数列:

[1, 2, 11, 13, 22, 26, 143, 223, 286, 401, 446, 802, 2453, 2899, 4411, 4906, 5213, 5798, 8822, 10426, 31889, 57343, 63778, 89423, 114686, 178846, 983653, 1162499, 1967306, 2324998, 12787489, 25574978]

約数ペア:

[(1, 25574978), (2, 12787489), (11, 2324998), (13, 1967306), (22, 1162499), (26, 983653), (143, 178846), (223, 114686), (286, 89423), (401, 63778), (446, 57343), (802, 31889), (2453, 10426), (2899, 8822), (4411, 5798), (4906, 5213)]