642853045

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1$

素因数の和:310

約数の個数: 48

約数和(自身を含む): 860110848

約数和(自身を除く): 217257803

約数列:

[1, 5, 17, 31, 85, 113, 127, 155, 289, 527, 565, 635, 1445, 1921, 2159, 2635, 3503, 3937, 8959, 9605, 10795, 14351, 17515, 19685, 32657, 36703, 44795, 59551, 66929, 71755, 163285, 183515, 243967, 297755, 334645, 444881, 1012367, 1137793, 1219835, 2224405, 4147439, 5061835, 5688965, 7562977, 20737195, 37814885, 128570609, 642853045]

約数ペア:

[(1, 642853045), (5, 128570609), (17, 37814885), (31, 20737195), (85, 7562977), (113, 5688965), (127, 5061835), (155, 4147439), (289, 2224405), (527, 1219835), (565, 1137793), (635, 1012367), (1445, 444881), (1921, 334645), (2159, 297755), (2635, 243967), (3503, 183515), (3937, 163285), (8959, 71755), (9605, 66929), (10795, 59551), (14351, 44795), (17515, 36703), (19685, 32657)]