639836164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{29}}^2\times {\mathrm{17291}}^1$

素因数の和:17364

約数の個数: 36

約数和(自身を含む): 1265151888

約数和(自身を除く): 625315724

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 319, 638, 841, 1276, 1682, 3364, 9251, 17291, 18502, 34582, 37004, 69164, 190201, 380402, 501439, 760804, 1002878, 2005756, 5515829, 11031658, 14541731, 22063316, 29083462, 58166924, 159959041, 319918082, 639836164]

約数ペア:

[(1, 639836164), (2, 319918082), (4, 159959041), (11, 58166924), (22, 29083462), (29, 22063316), (44, 14541731), (58, 11031658), (116, 5515829), (319, 2005756), (638, 1002878), (841, 760804), (1276, 501439), (1682, 380402), (3364, 190201), (9251, 69164), (17291, 37004), (18502, 34582)]