668608528

素因数分解:

$2^4\times 7^3\times {\mathrm{23}}^1\times {\mathrm{5297}}^1$

素因数の和:5349

約数の個数: 80

約数和(自身を含む): 1576684800

約数和(自身を除く): 908076272

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 343, 368, 392, 644, 686, 784, 1127, 1288, 1372, 2254, 2576, 2744, 4508, 5297, 5488, 7889, 9016, 10594, 15778, 18032, 21188, 31556, 37079, 42376, 63112, 74158, 84752, 121831, 126224, 148316, 243662, 259553, 296632, 487324, 519106, 593264, 852817, 974648, 1038212, 1705634, 1816871, 1949296, 2076424, 3411268, 3633742, 4152848, 5969719, 6822536, 7267484, 11939438, 13645072, 14534968, 23878876, 29069936, 41788033, 47757752, 83576066, 95515504, 167152132, 334304264, 668608528]

約数ペア:

[(1, 668608528), (2, 334304264), (4, 167152132), (7, 95515504), (8, 83576066), (14, 47757752), (16, 41788033), (23, 29069936), (28, 23878876), (46, 14534968), (49, 13645072), (56, 11939438), (92, 7267484), (98, 6822536), (112, 5969719), (161, 4152848), (184, 3633742), (196, 3411268), (322, 2076424), (343, 1949296), (368, 1816871), (392, 1705634), (644, 1038212), (686, 974648), (784, 852817), (1127, 593264), (1288, 519106), (1372, 487324), (2254, 296632), (2576, 259553), (2744, 243662), (4508, 148316), (5297, 126224), (5488, 121831), (7889, 84752), (9016, 74158), (10594, 63112), (15778, 42376), (18032, 37079), (21188, 31556)]