20180330

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{661}}^1$

素因数の和:782

約数の個数: 32

約数和(自身を含む): 37749888

約数和(自身を除く): 17569558

約数列:

[1, 2, 5, 10, 43, 71, 86, 142, 215, 355, 430, 661, 710, 1322, 3053, 3305, 6106, 6610, 15265, 28423, 30530, 46931, 56846, 93862, 142115, 234655, 284230, 469310, 2018033, 4036066, 10090165, 20180330]

約数ペア:

[(1, 20180330), (2, 10090165), (5, 4036066), (10, 2018033), (43, 469310), (71, 284230), (86, 234655), (142, 142115), (215, 93862), (355, 56846), (430, 46931), (661, 30530), (710, 28423), (1322, 15265), (3053, 6610), (3305, 6106)]