128761591

素因数分解:

$7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{4561}}^1$

素因数の和:4714

約数の個数: 16

約数和(自身を含む): 152553280

約数和(自身を除く): 23791689

約数列:

[1, 7, 37, 109, 259, 763, 4033, 4561, 28231, 31927, 168757, 497149, 1181299, 3480043, 18394513, 128761591]

約数ペア:

[(1, 128761591), (7, 18394513), (37, 3480043), (109, 1181299), (259, 497149), (763, 168757), (4033, 31927), (4561, 28231)]