72118818

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{56431}}^1$

素因数の和:56510

約数の個数: 24

約数和(自身を含む): 158461056

約数和(自身を除く): 86342238

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 56431, 112862, 169293, 338586, 507879, 1015758, 4006601, 8013202, 12019803, 24039606, 36059409, 72118818]

約数ペア:

[(1, 72118818), (2, 36059409), (3, 24039606), (6, 12019803), (9, 8013202), (18, 4006601), (71, 1015758), (142, 507879), (213, 338586), (426, 169293), (639, 112862), (1278, 56431)]