78612488

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{1373}}^1$

素因数の和:1817

約数の個数: 32

約数和(自身を含む): 156553560

約数和(自身を除く): 77941072

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 421, 842, 1373, 1684, 2746, 3368, 5492, 7157, 10984, 14314, 23341, 28628, 46682, 57256, 93364, 186728, 578033, 1156066, 2312132, 4624264, 9826561, 19653122, 39306244, 78612488]

約数ペア:

[(1, 78612488), (2, 39306244), (4, 19653122), (8, 9826561), (17, 4624264), (34, 2312132), (68, 1156066), (136, 578033), (421, 186728), (842, 93364), (1373, 57256), (1684, 46682), (2746, 28628), (3368, 23341), (5492, 14314), (7157, 10984)]