9981590

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:356

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 8646250

約数列:

[1, 2, 5, 10, 43, 86, 139, 167, 215, 278, 334, 430, 695, 835, 1390, 1670, 5977, 7181, 11954, 14362, 23213, 29885, 35905, 46426, 59770, 71810, 116065, 232130, 998159, 1996318, 4990795, 9981590]

約数ペア:

[(1, 9981590), (2, 4990795), (5, 1996318), (10, 998159), (43, 232130), (86, 116065), (139, 71810), (167, 59770), (215, 46426), (278, 35905), (334, 29885), (430, 23213), (695, 14362), (835, 11954), (1390, 7181), (1670, 5977)]