489606715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{14293}}^1$

素因数の和:14359

約数の個数: 32

約数和(自身を含む): 691600896

約数和(自身を除く): 201994181

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2635, 6851, 14293, 34255, 71465, 185809, 242981, 443083, 929045, 1214905, 2215415, 3158753, 5760079, 7532411, 15793765, 28800395, 37662055, 97921343, 489606715]

約数ペア:

[(1, 489606715), (5, 97921343), (13, 37662055), (17, 28800395), (31, 15793765), (65, 7532411), (85, 5760079), (155, 3158753), (221, 2215415), (403, 1214905), (527, 929045), (1105, 443083), (2015, 242981), (2635, 185809), (6851, 71465), (14293, 34255)]