27851330

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6911}}^1$

素因数の和:6962

約数の個数: 32

約数和(自身を含む): 55738368

約数和(自身を除く): 27887038

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6911, 13822, 34555, 69110, 89843, 179686, 214241, 428482, 449215, 898430, 1071205, 2142410, 2785133, 5570266, 13925665, 27851330]

約数ペア:

[(1, 27851330), (2, 13925665), (5, 5570266), (10, 2785133), (13, 2142410), (26, 1071205), (31, 898430), (62, 449215), (65, 428482), (130, 214241), (155, 179686), (310, 89843), (403, 69110), (806, 34555), (2015, 13822), (4030, 6911)]