90785515

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1063}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 122572800

約数和(自身を除く): 31787285

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 899, 1063, 2755, 2945, 4495, 5315, 17081, 20197, 30827, 32953, 85405, 100985, 154135, 164765, 585713, 626107, 955637, 2928565, 3130535, 4778185, 18157103, 90785515]

約数ペア:

[(1, 90785515), (5, 18157103), (19, 4778185), (29, 3130535), (31, 2928565), (95, 955637), (145, 626107), (155, 585713), (551, 164765), (589, 154135), (899, 100985), (1063, 85405), (2755, 32953), (2945, 30827), (4495, 20197), (5315, 17081)]