1855828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:507

約数の個数: 24

約数和(自身を含む): 3545640

約数和(自身を除く): 1689812

約数列:

[1, 2, 4, 13, 26, 52, 89, 178, 356, 401, 802, 1157, 1604, 2314, 4628, 5213, 10426, 20852, 35689, 71378, 142756, 463957, 927914, 1855828]

約数ペア:

[(1, 1855828), (2, 927914), (4, 463957), (13, 142756), (26, 71378), (52, 35689), (89, 20852), (178, 10426), (356, 5213), (401, 4628), (802, 2314), (1157, 1604)]