664893606

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{137}}^1\times {\mathrm{1447}}^1$

素因数の和:1645

約数の個数: 64

約数和(自身を含む): 1477099008

約数和(自身を除く): 812205402

約数列:

[1, 2, 3, 6, 13, 26, 39, 43, 78, 86, 129, 137, 258, 274, 411, 559, 822, 1118, 1447, 1677, 1781, 2894, 3354, 3562, 4341, 5343, 5891, 8682, 10686, 11782, 17673, 18811, 35346, 37622, 56433, 62221, 76583, 112866, 124442, 153166, 186663, 198239, 229749, 373326, 396478, 459498, 594717, 808873, 1189434, 1617746, 2426619, 2577107, 4853238, 5154214, 7731321, 8524277, 15462642, 17048554, 25572831, 51145662, 110815601, 221631202, 332446803, 664893606]

約数ペア:

[(1, 664893606), (2, 332446803), (3, 221631202), (6, 110815601), (13, 51145662), (26, 25572831), (39, 17048554), (43, 15462642), (78, 8524277), (86, 7731321), (129, 5154214), (137, 4853238), (258, 2577107), (274, 2426619), (411, 1617746), (559, 1189434), (822, 808873), (1118, 594717), (1447, 459498), (1677, 396478), (1781, 373326), (2894, 229749), (3354, 198239), (3562, 186663), (4341, 153166), (5343, 124442), (5891, 112866), (8682, 76583), (10686, 62221), (11782, 56433), (17673, 37622), (18811, 35346)]