251622722

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4397}}^1$

素因数の和:4514

約数の個数: 32

約数和(自身を含む): 425585664

約数和(自身を除く): 173962942

約数列:

[1, 2, 13, 26, 31, 62, 71, 142, 403, 806, 923, 1846, 2201, 4397, 4402, 8794, 28613, 57161, 57226, 114322, 136307, 272614, 312187, 624374, 1771991, 3543982, 4058431, 8116862, 9677797, 19355594, 125811361, 251622722]

約数ペア:

[(1, 251622722), (2, 125811361), (13, 19355594), (26, 9677797), (31, 8116862), (62, 4058431), (71, 3543982), (142, 1771991), (403, 624374), (806, 312187), (923, 272614), (1846, 136307), (2201, 114322), (4397, 57226), (4402, 57161), (8794, 28613)]