857193558

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{349}}^1\times {\mathrm{31489}}^1$

素因数の和:31856

約数の個数: 32

約数和(自身を含む): 1851612000

約数和(自身を除く): 994418442

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 349, 698, 1047, 2094, 4537, 9074, 13611, 27222, 31489, 62978, 94467, 188934, 409357, 818714, 1228071, 2456142, 10989661, 21979322, 32968983, 65937966, 142865593, 285731186, 428596779, 857193558]

約数ペア:

[(1, 857193558), (2, 428596779), (3, 285731186), (6, 142865593), (13, 65937966), (26, 32968983), (39, 21979322), (78, 10989661), (349, 2456142), (698, 1228071), (1047, 818714), (2094, 409357), (4537, 188934), (9074, 94467), (13611, 62978), (27222, 31489)]