71642908

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{1123}}^1$

素因数の和:1557

約数の個数: 24

約数和(自身を含む): 128877840

約数和(自身を除く): 57234932

約数列:

[1, 2, 4, 41, 82, 164, 389, 778, 1123, 1556, 2246, 4492, 15949, 31898, 46043, 63796, 92086, 184172, 436847, 873694, 1747388, 17910727, 35821454, 71642908]

約数ペア:

[(1, 71642908), (2, 35821454), (4, 17910727), (41, 1747388), (82, 873694), (164, 436847), (389, 184172), (778, 92086), (1123, 63796), (1556, 46043), (2246, 31898), (4492, 15949)]