258995912

素因数分解:

$2^3\times 7^1\times {\mathrm{2003}}^1\times {\mathrm{2309}}^1$

素因数の和:4325

約数の個数: 32

約数和(自身を含む): 555508800

約数和(自身を除く): 296512888

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 2003, 2309, 4006, 4618, 8012, 9236, 14021, 16024, 16163, 18472, 28042, 32326, 56084, 64652, 112168, 129304, 4624927, 9249854, 18499708, 32374489, 36999416, 64748978, 129497956, 258995912]

約数ペア:

[(1, 258995912), (2, 129497956), (4, 64748978), (7, 36999416), (8, 32374489), (14, 18499708), (28, 9249854), (56, 4624927), (2003, 129304), (2309, 112168), (4006, 64652), (4618, 56084), (8012, 32326), (9236, 28042), (14021, 18472), (16024, 16163)]