261170558

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{277}}^1\times {\mathrm{2521}}^1$

素因数の和:2828

約数の個数: 32

約数和(自身を含む): 454323168

約数和(自身を除く): 193152610

約数列:

[1, 2, 11, 17, 22, 34, 187, 277, 374, 554, 2521, 3047, 4709, 5042, 6094, 9418, 27731, 42857, 51799, 55462, 85714, 103598, 471427, 698317, 942854, 1396634, 7681487, 11871389, 15362974, 23742778, 130585279, 261170558]

約数ペア:

[(1, 261170558), (2, 130585279), (11, 23742778), (17, 15362974), (22, 11871389), (34, 7681487), (187, 1396634), (277, 942854), (374, 698317), (554, 471427), (2521, 103598), (3047, 85714), (4709, 55462), (5042, 51799), (6094, 42857), (9418, 27731)]