81474926

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1424

約数の個数: 32

約数和(自身を含む): 139708800

約数和(自身を除く): 58233874

約数列:

[1, 2, 13, 19, 26, 38, 131, 247, 262, 494, 1259, 1703, 2489, 2518, 3406, 4978, 16367, 23921, 32357, 32734, 47842, 64714, 164929, 310973, 329858, 621946, 2144077, 3133651, 4288154, 6267302, 40737463, 81474926]

約数ペア:

[(1, 81474926), (2, 40737463), (13, 6267302), (19, 4288154), (26, 3133651), (38, 2144077), (131, 621946), (247, 329858), (262, 310973), (494, 164929), (1259, 64714), (1703, 47842), (2489, 32734), (2518, 32357), (3406, 23921), (4978, 16367)]