201606145

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{4243}}^1$

素因数の和:4321

約数の個数: 32

約数和(自身を含む): 282344832

約数和(自身を除く): 80738687

約数列:

[1, 5, 13, 17, 43, 65, 85, 215, 221, 559, 731, 1105, 2795, 3655, 4243, 9503, 21215, 47515, 55159, 72131, 182449, 275795, 360655, 912245, 937703, 2371837, 3101633, 4688515, 11859185, 15508165, 40321229, 201606145]

約数ペア:

[(1, 201606145), (5, 40321229), (13, 15508165), (17, 11859185), (43, 4688515), (65, 3101633), (85, 2371837), (215, 937703), (221, 912245), (559, 360655), (731, 275795), (1105, 182449), (2795, 72131), (3655, 55159), (4243, 47515), (9503, 21215)]