639864577

素因数分解:

${\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{12101}}^1$

素因数の和:12165

約数の個数: 24

約数和(自身を含む): 772591680

約数和(自身を除く): 132727103

約数列:

[1, 11, 19, 23, 121, 209, 253, 437, 2299, 2783, 4807, 12101, 52877, 133111, 229919, 278323, 1464221, 2529109, 3061553, 5288137, 27820199, 33677083, 58169507, 639864577]

約数ペア:

[(1, 639864577), (11, 58169507), (19, 33677083), (23, 27820199), (121, 5288137), (209, 3061553), (253, 2529109), (437, 1464221), (2299, 278323), (2783, 229919), (4807, 133111), (12101, 52877)]