2158786565

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2243}}^1$

素因数の和:2358

約数の個数: 48

約数和(自身を含む): 3015828288

約数和(自身を除く): 857041723

約数列:

[1, 5, 13, 17, 65, 67, 85, 169, 221, 335, 845, 871, 1105, 1139, 2243, 2873, 4355, 5695, 11215, 11323, 14365, 14807, 29159, 38131, 56615, 74035, 145795, 150281, 190655, 192491, 379067, 495703, 751405, 962455, 1895335, 1953653, 2478515, 2554777, 6444139, 9768265, 12773885, 25397489, 32220695, 33212101, 126987445, 166060505, 431757313, 2158786565]

約数ペア:

[(1, 2158786565), (5, 431757313), (13, 166060505), (17, 126987445), (65, 33212101), (67, 32220695), (85, 25397489), (169, 12773885), (221, 9768265), (335, 6444139), (845, 2554777), (871, 2478515), (1105, 1953653), (1139, 1895335), (2243, 962455), (2873, 751405), (4355, 495703), (5695, 379067), (11215, 192491), (11323, 190655), (14365, 150281), (14807, 145795), (29159, 74035), (38131, 56615)]