780263428

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{898921}}^1$

素因数の和:898963

約数の個数: 24

約数和(自身を含む): 1610868224

約数和(自身を除く): 830604796

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 898921, 1797842, 3595684, 6292447, 12584894, 25169788, 27866551, 55733102, 111466204, 195065857, 390131714, 780263428]

約数ペア:

[(1, 780263428), (2, 390131714), (4, 195065857), (7, 111466204), (14, 55733102), (28, 27866551), (31, 25169788), (62, 12584894), (124, 6292447), (217, 3595684), (434, 1797842), (868, 898921)]