399743484

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{1997}}^1\times {\mathrm{2383}}^1$

素因数の和:4394

約数の個数: 48

約数和(自身を含む): 1066963968

約数和(自身を除く): 667220484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1997, 2383, 3994, 4766, 5991, 7149, 7988, 9532, 11982, 13979, 14298, 16681, 23964, 27958, 28596, 33362, 41937, 50043, 55916, 66724, 83874, 100086, 167748, 200172, 4758851, 9517702, 14276553, 19035404, 28553106, 33311957, 57106212, 66623914, 99935871, 133247828, 199871742, 399743484]

約数ペア:

[(1, 399743484), (2, 199871742), (3, 133247828), (4, 99935871), (6, 66623914), (7, 57106212), (12, 33311957), (14, 28553106), (21, 19035404), (28, 14276553), (42, 9517702), (84, 4758851), (1997, 200172), (2383, 167748), (3994, 100086), (4766, 83874), (5991, 66724), (7149, 55916), (7988, 50043), (9532, 41937), (11982, 33362), (13979, 28596), (14298, 27958), (16681, 23964)]