389660572

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{643}}^1\times {\mathrm{941}}^1$

素因数の和:1618

約数の個数: 48

約数和(自身を含む): 815334912

約数和(自身を除く): 425674340

約数列:

[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 322, 643, 644, 941, 1286, 1882, 2572, 3764, 4501, 6587, 9002, 13174, 14789, 18004, 21643, 26348, 29578, 43286, 59156, 86572, 103523, 151501, 207046, 303002, 414092, 605063, 606004, 1210126, 2420252, 4235441, 8470882, 13916449, 16941764, 27832898, 55665796, 97415143, 194830286, 389660572]

約数ペア:

[(1, 389660572), (2, 194830286), (4, 97415143), (7, 55665796), (14, 27832898), (23, 16941764), (28, 13916449), (46, 8470882), (92, 4235441), (161, 2420252), (322, 1210126), (643, 606004), (644, 605063), (941, 414092), (1286, 303002), (1882, 207046), (2572, 151501), (3764, 103523), (4501, 86572), (6587, 59156), (9002, 43286), (13174, 29578), (14789, 26348), (18004, 21643)]