70638981

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:761

約数の個数: 32

約数和(自身を含む): 111141888

約数和(自身を除く): 40502907

約数列:

[1, 3, 7, 21, 43, 129, 137, 301, 411, 571, 903, 959, 1713, 2877, 3997, 5891, 11991, 17673, 24553, 41237, 73659, 78227, 123711, 171871, 234681, 515613, 547589, 1642767, 3363761, 10091283, 23546327, 70638981]

約数ペア:

[(1, 70638981), (3, 23546327), (7, 10091283), (21, 3363761), (43, 1642767), (129, 547589), (137, 515613), (301, 234681), (411, 171871), (571, 123711), (903, 78227), (959, 73659), (1713, 41237), (2877, 24553), (3997, 17673), (5891, 11991)]