256935068

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{159389}}^1$

素因数の和:159437

約数の個数: 24

約数和(自身を含む): 499847040

約数和(自身を除く): 242911972

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 403, 806, 1612, 159389, 318778, 637556, 2072057, 4144114, 4941059, 8288228, 9882118, 19764236, 64233767, 128467534, 256935068]

約数ペア:

[(1, 256935068), (2, 128467534), (4, 64233767), (13, 19764236), (26, 9882118), (31, 8288228), (52, 4941059), (62, 4144114), (124, 2072057), (403, 637556), (806, 318778), (1612, 159389)]