89972588

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{1091}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 160982640

約数和(自身を除く): 71010052

約数列:

[1, 2, 4, 53, 106, 212, 389, 778, 1091, 1556, 2182, 4364, 20617, 41234, 57823, 82468, 115646, 231292, 424399, 848798, 1697596, 22493147, 44986294, 89972588]

約数ペア:

[(1, 89972588), (2, 44986294), (4, 22493147), (53, 1697596), (106, 848798), (212, 424399), (389, 231292), (778, 115646), (1091, 82468), (1556, 57823), (2182, 41234), (4364, 20617)]