639395604

素因数分解:

$2^2\times 3^2\times {\mathrm{53}}^1\times {\mathrm{335113}}^1$

素因数の和:335176

約数の個数: 36

約数和(自身を含む): 1646750196

約数和(自身を除く): 1007354592

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 53, 106, 159, 212, 318, 477, 636, 954, 1908, 335113, 670226, 1005339, 1340452, 2010678, 3016017, 4021356, 6032034, 12064068, 17760989, 35521978, 53282967, 71043956, 106565934, 159848901, 213131868, 319697802, 639395604]

約数ペア:

[(1, 639395604), (2, 319697802), (3, 213131868), (4, 159848901), (6, 106565934), (9, 71043956), (12, 53282967), (18, 35521978), (36, 17760989), (53, 12064068), (106, 6032034), (159, 4021356), (212, 3016017), (318, 2010678), (477, 1340452), (636, 1005339), (954, 670226), (1908, 335113)]