420152915

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{2411}}^1$

素因数の和:2819

約数の個数: 32

約数和(自身を含む): 622411776

約数和(自身を除く): 202258861

約数列:

[1, 5, 7, 13, 35, 65, 91, 383, 455, 1915, 2411, 2681, 4979, 12055, 13405, 16877, 24895, 31343, 34853, 84385, 156715, 174265, 219401, 923413, 1097005, 4617065, 6463891, 12004369, 32319455, 60021845, 84030583, 420152915]

約数ペア:

[(1, 420152915), (5, 84030583), (7, 60021845), (13, 32319455), (35, 12004369), (65, 6463891), (91, 4617065), (383, 1097005), (455, 923413), (1915, 219401), (2411, 174265), (2681, 156715), (4979, 84385), (12055, 34853), (13405, 31343), (16877, 24895)]