128562278

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{1021}}^1$

素因数の和:1232

約数の個数: 32

約数和(自身を含む): 216336960

約数和(自身を除く): 87774682

約数列:

[1, 2, 13, 26, 29, 58, 167, 334, 377, 754, 1021, 2042, 2171, 4342, 4843, 9686, 13273, 26546, 29609, 59218, 62959, 125918, 170507, 341014, 384917, 769834, 2216591, 4433182, 4944703, 9889406, 64281139, 128562278]

約数ペア:

[(1, 128562278), (2, 64281139), (13, 9889406), (26, 4944703), (29, 4433182), (58, 2216591), (167, 769834), (334, 384917), (377, 341014), (754, 170507), (1021, 125918), (2042, 62959), (2171, 59218), (4342, 29609), (4843, 26546), (9686, 13273)]