61399778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{457}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 104467968

約数和(自身を除く): 43068190

約数列:

[1, 2, 11, 22, 31, 62, 197, 341, 394, 457, 682, 914, 2167, 4334, 5027, 6107, 10054, 12214, 14167, 28334, 67177, 90029, 134354, 155837, 180058, 311674, 990319, 1980638, 2790899, 5581798, 30699889, 61399778]

約数ペア:

[(1, 61399778), (2, 30699889), (11, 5581798), (22, 2790899), (31, 1980638), (62, 990319), (197, 311674), (341, 180058), (394, 155837), (457, 134354), (682, 90029), (914, 67177), (2167, 28334), (4334, 14167), (5027, 12214), (6107, 10054)]