64991628

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{7309}}^1$

素因数の和:7351

約数の個数: 72

約数和(自身を含む): 186258800

約数和(自身を除く): 121267172

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 36, 38, 39, 52, 57, 76, 78, 114, 117, 156, 171, 228, 234, 247, 342, 468, 494, 684, 741, 988, 1482, 2223, 2964, 4446, 7309, 8892, 14618, 21927, 29236, 43854, 65781, 87708, 95017, 131562, 138871, 190034, 263124, 277742, 285051, 380068, 416613, 555484, 570102, 833226, 855153, 1140204, 1249839, 1666452, 1710306, 1805323, 2499678, 3420612, 3610646, 4999356, 5415969, 7221292, 10831938, 16247907, 21663876, 32495814, 64991628]

約数ペア:

[(1, 64991628), (2, 32495814), (3, 21663876), (4, 16247907), (6, 10831938), (9, 7221292), (12, 5415969), (13, 4999356), (18, 3610646), (19, 3420612), (26, 2499678), (36, 1805323), (38, 1710306), (39, 1666452), (52, 1249839), (57, 1140204), (76, 855153), (78, 833226), (114, 570102), (117, 555484), (156, 416613), (171, 380068), (228, 285051), (234, 277742), (247, 263124), (342, 190034), (468, 138871), (494, 131562), (684, 95017), (741, 87708), (988, 65781), (1482, 43854), (2223, 29236), (2964, 21927), (4446, 14618), (7309, 8892)]