128520301

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{10781}}^1$

素因数の和:10932

約数の個数: 16

約数和(自身を含む): 159401088

約数和(自身を除く): 30880787

約数列:

[1, 7, 13, 91, 131, 917, 1703, 10781, 11921, 75467, 140153, 981071, 1412311, 9886177, 18360043, 128520301]

約数ペア:

[(1, 128520301), (7, 18360043), (13, 9886177), (91, 1412311), (131, 981071), (917, 140153), (1703, 75467), (10781, 11921)]