206565710

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{51257}}^1$

素因数の和:51308

約数の個数: 32

約数和(自身を含む): 413344512

約数和(自身を除く): 206778802

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 51257, 102514, 256285, 512570, 666341, 1332682, 1588967, 3177934, 3331705, 6663410, 7944835, 15889670, 20656571, 41313142, 103282855, 206565710]

約数ペア:

[(1, 206565710), (2, 103282855), (5, 41313142), (10, 20656571), (13, 15889670), (26, 7944835), (31, 6663410), (62, 3331705), (65, 3177934), (130, 1588967), (155, 1332682), (310, 666341), (403, 512570), (806, 256285), (2015, 102514), (4030, 51257)]