178638213

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{1063}}^1$

素因数の和:1249

約数の個数: 32

約数和(自身を含む): 266936320

約数和(自身を除く): 88298107

約数列:

[1, 3, 13, 31, 39, 93, 139, 403, 417, 1063, 1209, 1807, 3189, 4309, 5421, 12927, 13819, 32953, 41457, 56017, 98859, 147757, 168051, 428389, 443271, 1285167, 1920841, 4580467, 5762523, 13741401, 59546071, 178638213]

約数ペア:

[(1, 178638213), (3, 59546071), (13, 13741401), (31, 5762523), (39, 4580467), (93, 1920841), (139, 1285167), (403, 443271), (417, 428389), (1063, 168051), (1209, 147757), (1807, 98859), (3189, 56017), (4309, 41457), (5421, 32953), (12927, 13819)]