1666691

素因数分解:

${\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:166

約数の個数: 16

約数和(自身を含む): 1905120

約数和(自身を除く): 238429

約数列:

[1, 13, 41, 53, 59, 533, 689, 767, 2173, 2419, 3127, 28249, 31447, 40651, 128207, 1666691]

約数ペア:

[(1, 1666691), (13, 128207), (41, 40651), (53, 31447), (59, 28249), (533, 3127), (689, 2419), (767, 2173)]