645360142

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{42961}}^1$

素因数の和:43036

約数の個数: 32

約数和(自身を含む): 1175440320

約数和(自身を除く): 530080178

約数列:

[1, 2, 7, 14, 29, 37, 58, 74, 203, 259, 406, 518, 1073, 2146, 7511, 15022, 42961, 85922, 300727, 601454, 1245869, 1589557, 2491738, 3179114, 8721083, 11126899, 17442166, 22253798, 46097153, 92194306, 322680071, 645360142]

約数ペア:

[(1, 645360142), (2, 322680071), (7, 92194306), (14, 46097153), (29, 22253798), (37, 17442166), (58, 11126899), (74, 8721083), (203, 3179114), (259, 2491738), (406, 1589557), (518, 1245869), (1073, 601454), (2146, 300727), (7511, 85922), (15022, 42961)]