78171724

素因数分解:

$2^2\times {\mathrm{83}}^1\times {\mathrm{241}}^1\times {\mathrm{977}}^1$

素因数の和:1305

約数の個数: 24

約数和(自身を含む): 139165488

約数和(自身を除く): 60993764

約数列:

[1, 2, 4, 83, 166, 241, 332, 482, 964, 977, 1954, 3908, 20003, 40006, 80012, 81091, 162182, 235457, 324364, 470914, 941828, 19542931, 39085862, 78171724]

約数ペア:

[(1, 78171724), (2, 39085862), (4, 19542931), (83, 941828), (166, 470914), (241, 324364), (332, 235457), (482, 162182), (964, 81091), (977, 80012), (1954, 40006), (3908, 20003)]