405536238

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{317321}}^1$

素因数の和:317400

約数の個数: 24

約数和(自身を含む): 891040176

約数和(自身を除く): 485503938

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 426, 639, 1278, 317321, 634642, 951963, 1903926, 2855889, 5711778, 22529791, 45059582, 67589373, 135178746, 202768119, 405536238]

約数ペア:

[(1, 405536238), (2, 202768119), (3, 135178746), (6, 67589373), (9, 45059582), (18, 22529791), (71, 5711778), (142, 2855889), (213, 1903926), (426, 951963), (639, 634642), (1278, 317321)]