78212290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{3691}}^1$

素因数の和:3874

約数の個数: 32

約数和(自身を含む): 152582976

約数和(自身を除く): 74370686

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 163, 326, 815, 1630, 2119, 3691, 4238, 7382, 10595, 18455, 21190, 36910, 47983, 95966, 239915, 479830, 601633, 1203266, 3008165, 6016330, 7821229, 15642458, 39106145, 78212290]

約数ペア:

[(1, 78212290), (2, 39106145), (5, 15642458), (10, 7821229), (13, 6016330), (26, 3008165), (65, 1203266), (130, 601633), (163, 479830), (326, 239915), (815, 95966), (1630, 47983), (2119, 36910), (3691, 21190), (4238, 18455), (7382, 10595)]