86287890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{221251}}^1$

素因数の和:221274

約数の個数: 32

約数和(自身を含む): 223022016

約数和(自身を除く): 136734126

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 221251, 442502, 663753, 1106255, 1327506, 2212510, 2876263, 3318765, 5752526, 6637530, 8628789, 14381315, 17257578, 28762630, 43143945, 86287890]

約数ペア:

[(1, 86287890), (2, 43143945), (3, 28762630), (5, 17257578), (6, 14381315), (10, 8628789), (13, 6637530), (15, 5752526), (26, 3318765), (30, 2876263), (39, 2212510), (65, 1327506), (78, 1106255), (130, 663753), (195, 442502), (390, 221251)]