647368878

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{691}}^1\times {\mathrm{12011}}^1$

素因数の和:12720

約数の個数: 32

約数和(自身を含む): 1396467072

約数和(自身を除く): 749098194

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 691, 1382, 2073, 4146, 8983, 12011, 17966, 24022, 26949, 36033, 53898, 72066, 156143, 312286, 468429, 936858, 8299601, 16599202, 24898803, 49797606, 107894813, 215789626, 323684439, 647368878]

約数ペア:

[(1, 647368878), (2, 323684439), (3, 215789626), (6, 107894813), (13, 49797606), (26, 24898803), (39, 16599202), (78, 8299601), (691, 936858), (1382, 468429), (2073, 312286), (4146, 156143), (8983, 72066), (12011, 53898), (17966, 36033), (24022, 26949)]