388640226

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{70177}}^1$

素因数の和:70266

約数の個数: 32

約数和(自身を含む): 848873088

約数和(自身を除く): 460232862

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 70177, 140354, 210531, 421062, 912301, 1824602, 2736903, 4982567, 5473806, 9965134, 14947701, 29895402, 64773371, 129546742, 194320113, 388640226]

約数ペア:

[(1, 388640226), (2, 194320113), (3, 129546742), (6, 64773371), (13, 29895402), (26, 14947701), (39, 9965134), (71, 5473806), (78, 4982567), (142, 2736903), (213, 1824602), (426, 912301), (923, 421062), (1846, 210531), (2769, 140354), (5538, 70177)]