131189765

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{7603}}^1$

素因数の和:7661

約数の個数: 32

約数和(自身を含む): 197095680

約数和(自身を除く): 65905915

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 203, 493, 595, 1015, 2465, 3451, 7603, 17255, 38015, 53221, 129251, 220487, 266105, 646255, 904757, 1102435, 1543409, 3748279, 4523785, 7717045, 18741395, 26237953, 131189765]

約数ペア:

[(1, 131189765), (5, 26237953), (7, 18741395), (17, 7717045), (29, 4523785), (35, 3748279), (85, 1543409), (119, 1102435), (145, 904757), (203, 646255), (493, 266105), (595, 220487), (1015, 129251), (2465, 53221), (3451, 38015), (7603, 17255)]