521507870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{3217}}^1$

素因数の和:3309

約数の個数: 64

約数和(自身を含む): 1070435520

約数和(自身を除く): 548927650

約数列:

[1, 2, 5, 10, 13, 26, 29, 43, 58, 65, 86, 130, 145, 215, 290, 377, 430, 559, 754, 1118, 1247, 1885, 2494, 2795, 3217, 3770, 5590, 6235, 6434, 12470, 16085, 16211, 32170, 32422, 41821, 81055, 83642, 93293, 138331, 162110, 186586, 209105, 276662, 418210, 466465, 691655, 932930, 1212809, 1383310, 1798303, 2425618, 3596606, 4011599, 6064045, 8023198, 8991515, 12128090, 17983030, 20057995, 40115990, 52150787, 104301574, 260753935, 521507870]

約数ペア:

[(1, 521507870), (2, 260753935), (5, 104301574), (10, 52150787), (13, 40115990), (26, 20057995), (29, 17983030), (43, 12128090), (58, 8991515), (65, 8023198), (86, 6064045), (130, 4011599), (145, 3596606), (215, 2425618), (290, 1798303), (377, 1383310), (430, 1212809), (559, 932930), (754, 691655), (1118, 466465), (1247, 418210), (1885, 276662), (2494, 209105), (2795, 186586), (3217, 162110), (3770, 138331), (5590, 93293), (6235, 83642), (6434, 81055), (12470, 41821), (16085, 32422), (16211, 32170)]