68942939

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{157}}^1\times {\mathrm{1987}}^1$

素因数の和:2174

約数の個数: 16

約数和(自身を含む): 79154208

約数和(自身を除く): 10211269

約数列:

[1, 13, 17, 157, 221, 1987, 2041, 2669, 25831, 33779, 34697, 311959, 439127, 4055467, 5303303, 68942939]

約数ペア:

[(1, 68942939), (13, 5303303), (17, 4055467), (157, 439127), (221, 311959), (1987, 34697), (2041, 33779), (2669, 25831)]