81687530

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{701}}^1$

素因数の和:1022

約数の個数: 32

約数和(自身を含む): 151227648

約数和(自身を除く): 69540118

約数列:

[1, 2, 5, 10, 43, 86, 215, 271, 430, 542, 701, 1355, 1402, 2710, 3505, 7010, 11653, 23306, 30143, 58265, 60286, 116530, 150715, 189971, 301430, 379942, 949855, 1899710, 8168753, 16337506, 40843765, 81687530]

約数ペア:

[(1, 81687530), (2, 40843765), (5, 16337506), (10, 8168753), (43, 1899710), (86, 949855), (215, 379942), (271, 301430), (430, 189971), (542, 150715), (701, 116530), (1355, 60286), (1402, 58265), (2710, 30143), (3505, 23306), (7010, 11653)]