28447055

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{607}}^1$

素因数の和:735

約数の個数: 32

約数和(自身を含む): 42491904

約数和(自身を除く): 14044849

約数列:

[1, 5, 7, 13, 35, 65, 91, 103, 455, 515, 607, 721, 1339, 3035, 3605, 4249, 6695, 7891, 9373, 21245, 39455, 46865, 55237, 62521, 276185, 312605, 437647, 812773, 2188235, 4063865, 5689411, 28447055]

約数ペア:

[(1, 28447055), (5, 5689411), (7, 4063865), (13, 2188235), (35, 812773), (65, 437647), (91, 312605), (103, 276185), (455, 62521), (515, 55237), (607, 46865), (721, 39455), (1339, 21245), (3035, 9373), (3605, 7891), (4249, 6695)]