168187890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431251}}^1$

素因数の和:431274

約数の個数: 32

約数和(自身を含む): 434702016

約数和(自身を除く): 266514126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 431251, 862502, 1293753, 2156255, 2587506, 4312510, 5606263, 6468765, 11212526, 12937530, 16818789, 28031315, 33637578, 56062630, 84093945, 168187890]

約数ペア:

[(1, 168187890), (2, 84093945), (3, 56062630), (5, 33637578), (6, 28031315), (10, 16818789), (13, 12937530), (15, 11212526), (26, 6468765), (30, 5606263), (39, 4312510), (65, 2587506), (78, 2156255), (130, 1293753), (195, 862502), (390, 431251)]