257287992

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{824641}}^1$

素因数の和:824663

約数の個数: 32

約数和(自身を含む): 692699280

約数和(自身を除く): 435411288

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 824641, 1649282, 2473923, 3298564, 4947846, 6597128, 9895692, 10720333, 19791384, 21440666, 32160999, 42881332, 64321998, 85762664, 128643996, 257287992]

約数ペア:

[(1, 257287992), (2, 128643996), (3, 85762664), (4, 64321998), (6, 42881332), (8, 32160999), (12, 21440666), (13, 19791384), (24, 10720333), (26, 9895692), (39, 6597128), (52, 4947846), (78, 3298564), (104, 2473923), (156, 1649282), (312, 824641)]