396890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:134

約数の個数: 32

約数和(自身を含む): 798336

約数和(自身を除く): 401446

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 71, 86, 130, 142, 215, 355, 430, 559, 710, 923, 1118, 1846, 2795, 3053, 4615, 5590, 6106, 9230, 15265, 30530, 39689, 79378, 198445, 396890]

約数ペア:

[(1, 396890), (2, 198445), (5, 79378), (10, 39689), (13, 30530), (26, 15265), (43, 9230), (65, 6106), (71, 5590), (86, 4615), (130, 3053), (142, 2795), (215, 1846), (355, 1118), (430, 923), (559, 710)]