3999430

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:252

約数の個数: 32

約数和(自身を含む): 7527168

約数和(自身を除く): 3527738

約数列:

[1, 2, 5, 10, 43, 71, 86, 131, 142, 215, 262, 355, 430, 655, 710, 1310, 3053, 5633, 6106, 9301, 11266, 15265, 18602, 28165, 30530, 46505, 56330, 93010, 399943, 799886, 1999715, 3999430]

約数ペア:

[(1, 3999430), (2, 1999715), (5, 799886), (10, 399943), (43, 93010), (71, 56330), (86, 46505), (131, 30530), (142, 28165), (215, 18602), (262, 15265), (355, 11266), (430, 9301), (655, 6106), (710, 5633), (1310, 3053)]