128012885

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{25577}}^1$

素因数の和:25613

約数の個数: 32

約数和(自身を含む): 206260992

約数和(自身を除く): 78248107

約数列:

[1, 5, 7, 11, 13, 35, 55, 65, 77, 91, 143, 385, 455, 715, 1001, 5005, 25577, 127885, 179039, 281347, 332501, 895195, 1406735, 1662505, 1969429, 2327507, 3657511, 9847145, 11637535, 18287555, 25602577, 128012885]

約数ペア:

[(1, 128012885), (5, 25602577), (7, 18287555), (11, 11637535), (13, 9847145), (35, 3657511), (55, 2327507), (65, 1969429), (77, 1662505), (91, 1406735), (143, 895195), (385, 332501), (455, 281347), (715, 179039), (1001, 127885), (5005, 25577)]