84259684

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{72889}}^1$

素因数の和:72927

約数の個数: 18

約数和(自身を含む): 156640610

約数和(自身を除く): 72380926

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 72889, 145778, 291556, 1239113, 2478226, 4956452, 21064921, 42129842, 84259684]

約数ペア:

[(1, 84259684), (2, 42129842), (4, 21064921), (17, 4956452), (34, 2478226), (68, 1239113), (289, 291556), (578, 145778), (1156, 72889)]