397144664

素因数分解:

$2^3\times 7^1\times {\mathrm{661}}^1\times {\mathrm{10729}}^1$

素因数の和:11403

約数の個数: 32

約数和(自身を含む): 852391200

約数和(自身を除く): 455246536

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 661, 1322, 2644, 4627, 5288, 9254, 10729, 18508, 21458, 37016, 42916, 75103, 85832, 150206, 300412, 600824, 7091869, 14183738, 28367476, 49643083, 56734952, 99286166, 198572332, 397144664]

約数ペア:

[(1, 397144664), (2, 198572332), (4, 99286166), (7, 56734952), (8, 49643083), (14, 28367476), (28, 14183738), (56, 7091869), (661, 600824), (1322, 300412), (2644, 150206), (4627, 85832), (5288, 75103), (9254, 42916), (10729, 37016), (18508, 21458)]