661012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:279

約数の個数: 24

約数和(自身を含む): 1284192

約数和(自身を除く): 623180

約数列:

[1, 2, 4, 11, 22, 44, 83, 166, 181, 332, 362, 724, 913, 1826, 1991, 3652, 3982, 7964, 15023, 30046, 60092, 165253, 330506, 661012]

約数ペア:

[(1, 661012), (2, 330506), (4, 165253), (11, 60092), (22, 30046), (44, 15023), (83, 7964), (166, 3982), (181, 3652), (332, 1991), (362, 1826), (724, 913)]