1781364

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{601}}^1$

素因数の和:640

約数の個数: 48

約数和(自身を含む): 4719680

約数和(自身を除く): 2938316

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 114, 156, 228, 247, 494, 601, 741, 988, 1202, 1482, 1803, 2404, 2964, 3606, 7212, 7813, 11419, 15626, 22838, 23439, 31252, 34257, 45676, 46878, 68514, 93756, 137028, 148447, 296894, 445341, 593788, 890682, 1781364]

約数ペア:

[(1, 1781364), (2, 890682), (3, 593788), (4, 445341), (6, 296894), (12, 148447), (13, 137028), (19, 93756), (26, 68514), (38, 46878), (39, 45676), (52, 34257), (57, 31252), (76, 23439), (78, 22838), (114, 15626), (156, 11419), (228, 7813), (247, 7212), (494, 3606), (601, 2964), (741, 2404), (988, 1803), (1202, 1482)]