858305990

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{45389}}^1$

素因数の和:45488

約数の個数: 32

約数和(自身を含む): 1620967680

約数和(自身を除く): 762661690

約数列:

[1, 2, 5, 10, 31, 61, 62, 122, 155, 305, 310, 610, 1891, 3782, 9455, 18910, 45389, 90778, 226945, 453890, 1407059, 2768729, 2814118, 5537458, 7035295, 13843645, 14070590, 27687290, 85830599, 171661198, 429152995, 858305990]

約数ペア:

[(1, 858305990), (2, 429152995), (5, 171661198), (10, 85830599), (31, 27687290), (61, 14070590), (62, 13843645), (122, 7035295), (155, 5537458), (305, 2814118), (310, 2768729), (610, 1407059), (1891, 453890), (3782, 226945), (9455, 90778), (18910, 45389)]