491237214

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{829}}^1$

素因数の和:1025

約数の個数: 64

約数和(自身を含む): 1084285440

約数和(自身を除く): 593048226

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 107, 142, 213, 214, 321, 426, 642, 829, 923, 1391, 1658, 1846, 2487, 2769, 2782, 4173, 4974, 5538, 7597, 8346, 10777, 15194, 21554, 22791, 32331, 45582, 58859, 64662, 88703, 98761, 117718, 176577, 177406, 197522, 266109, 296283, 353154, 532218, 592566, 765167, 1153139, 1530334, 2295501, 2306278, 3459417, 4591002, 6297913, 6918834, 12595826, 18893739, 37787478, 81872869, 163745738, 245618607, 491237214]

約数ペア:

[(1, 491237214), (2, 245618607), (3, 163745738), (6, 81872869), (13, 37787478), (26, 18893739), (39, 12595826), (71, 6918834), (78, 6297913), (107, 4591002), (142, 3459417), (213, 2306278), (214, 2295501), (321, 1530334), (426, 1153139), (642, 765167), (829, 592566), (923, 532218), (1391, 353154), (1658, 296283), (1846, 266109), (2487, 197522), (2769, 177406), (2782, 176577), (4173, 117718), (4974, 98761), (5538, 88703), (7597, 64662), (8346, 58859), (10777, 45582), (15194, 32331), (21554, 22791)]