640053218

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{167}}^1\times {\mathrm{8831}}^1$

素因数の和:9038

約数の個数: 32

約数和(自身を含む): 1139539968

約数和(自身を除く): 499486750

約数列:

[1, 2, 7, 14, 31, 62, 167, 217, 334, 434, 1169, 2338, 5177, 8831, 10354, 17662, 36239, 61817, 72478, 123634, 273761, 547522, 1474777, 1916327, 2949554, 3832654, 10323439, 20646878, 45718087, 91436174, 320026609, 640053218]

約数ペア:

[(1, 640053218), (2, 320026609), (7, 91436174), (14, 45718087), (31, 20646878), (62, 10323439), (167, 3832654), (217, 2949554), (334, 1916327), (434, 1474777), (1169, 547522), (2338, 273761), (5177, 123634), (8831, 72478), (10354, 61817), (17662, 36239)]