61965590

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199889}}^1$

素因数の和:199927

約数の個数: 16

約数和(自身を含む): 115136640

約数和(自身を除く): 53171050

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 199889, 399778, 999445, 1998890, 6196559, 12393118, 30982795, 61965590]

約数ペア:

[(1, 61965590), (2, 30982795), (5, 12393118), (10, 6196559), (31, 1998890), (62, 999445), (155, 399778), (310, 199889)]