71380516

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{223}}^1\times {\mathrm{1861}}^1$

素因数の和:2131

約数の個数: 24

約数和(自身を含む): 128463104

約数和(自身を除く): 57082588

約数列:

[1, 2, 4, 43, 86, 172, 223, 446, 892, 1861, 3722, 7444, 9589, 19178, 38356, 80023, 160046, 320092, 415003, 830006, 1660012, 17845129, 35690258, 71380516]

約数ペア:

[(1, 71380516), (2, 35690258), (4, 17845129), (43, 1660012), (86, 830006), (172, 415003), (223, 320092), (446, 160046), (892, 80023), (1861, 38356), (3722, 19178), (7444, 9589)]