90157145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{443}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 121734144

約数和(自身を除く): 31576999

約数列:

[1, 5, 13, 31, 65, 101, 155, 403, 443, 505, 1313, 2015, 2215, 3131, 5759, 6565, 13733, 15655, 28795, 40703, 44743, 68665, 178529, 203515, 223715, 581659, 892645, 1387033, 2908295, 6935165, 18031429, 90157145]

約数ペア:

[(1, 90157145), (5, 18031429), (13, 6935165), (31, 2908295), (65, 1387033), (101, 892645), (155, 581659), (403, 223715), (443, 203515), (505, 178529), (1313, 68665), (2015, 44743), (2215, 40703), (3131, 28795), (5759, 15655), (6565, 13733)]