389623624

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{120851}}^1$

素因数の和:120901

約数の個数: 32

約数和(自身を含む): 812125440

約数和(自身を除く): 422501816

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 120851, 241702, 483404, 966808, 1571063, 3142126, 3746381, 6284252, 7492762, 12568504, 14985524, 29971048, 48702953, 97405906, 194811812, 389623624]

約数ペア:

[(1, 389623624), (2, 194811812), (4, 97405906), (8, 48702953), (13, 29971048), (26, 14985524), (31, 12568504), (52, 7492762), (62, 6284252), (104, 3746381), (124, 3142126), (248, 1571063), (403, 966808), (806, 483404), (1612, 241702), (3224, 120851)]