400720554

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{570827}}^1$

素因数の和:570851

約数の個数: 32

約数和(自身を含む): 958991040

約数和(自身を除く): 558270486

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 234, 351, 702, 570827, 1141654, 1712481, 3424962, 5137443, 7420751, 10274886, 14841502, 15412329, 22262253, 30824658, 44524506, 66786759, 133573518, 200360277, 400720554]

約数ペア:

[(1, 400720554), (2, 200360277), (3, 133573518), (6, 66786759), (9, 44524506), (13, 30824658), (18, 22262253), (26, 15412329), (27, 14841502), (39, 10274886), (54, 7420751), (78, 5137443), (117, 3424962), (234, 1712481), (351, 1141654), (702, 570827)]