639441532

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{35111}}^1$

素因数の和:35301

約数の個数: 24

約数和(自身を含む): 1165016160

約数和(自身を除く): 525574628

約数列:

[1, 2, 4, 29, 58, 116, 157, 314, 628, 4553, 9106, 18212, 35111, 70222, 140444, 1018219, 2036438, 4072876, 5512427, 11024854, 22049708, 159860383, 319720766, 639441532]

約数ペア:

[(1, 639441532), (2, 319720766), (4, 159860383), (29, 22049708), (58, 11024854), (116, 5512427), (157, 4072876), (314, 2036438), (628, 1018219), (4553, 140444), (9106, 70222), (18212, 35111)]