401887642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{1823}}^1$

素因数の和:2038

約数の個数: 32

約数和(自身を含む): 664957440

約数和(自身を除く): 263069798

約数列:

[1, 2, 13, 26, 61, 122, 139, 278, 793, 1586, 1807, 1823, 3614, 3646, 8479, 16958, 23699, 47398, 110227, 111203, 220454, 222406, 253397, 506794, 1445639, 2891278, 3294161, 6588322, 15457217, 30914434, 200943821, 401887642]

約数ペア:

[(1, 401887642), (2, 200943821), (13, 30914434), (26, 15457217), (61, 6588322), (122, 3294161), (139, 2891278), (278, 1445639), (793, 506794), (1586, 253397), (1807, 222406), (1823, 220454), (3614, 111203), (3646, 110227), (8479, 47398), (16958, 23699)]