269288630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{66821}}^1$

素因数の和:66872

約数の個数: 32

約数和(自身を含む): 538852608

約数和(自身を除く): 269563978

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 66821, 133642, 334105, 668210, 868673, 1737346, 2071451, 4142902, 4343365, 8686730, 10357255, 20714510, 26928863, 53857726, 134644315, 269288630]

約数ペア:

[(1, 269288630), (2, 134644315), (5, 53857726), (10, 26928863), (13, 20714510), (26, 10357255), (31, 8686730), (62, 4343365), (65, 4142902), (130, 2071451), (155, 1737346), (310, 868673), (403, 668210), (806, 334105), (2015, 133642), (4030, 66821)]