261740136

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{661}}^1\times {\mathrm{2357}}^1$

素因数の和:3034

約数の個数: 64

約数和(自身を含む): 749278080

約数和(自身を除く): 487537944

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 661, 1322, 1983, 2357, 2644, 3966, 4627, 4714, 5288, 7071, 7932, 9254, 9428, 13881, 14142, 15864, 16499, 18508, 18856, 27762, 28284, 32998, 37016, 49497, 55524, 56568, 65996, 98994, 111048, 131992, 197988, 395976, 1557977, 3115954, 4673931, 6231908, 9347862, 10905839, 12463816, 18695724, 21811678, 32717517, 37391448, 43623356, 65435034, 87246712, 130870068, 261740136]

約数ペア:

[(1, 261740136), (2, 130870068), (3, 87246712), (4, 65435034), (6, 43623356), (7, 37391448), (8, 32717517), (12, 21811678), (14, 18695724), (21, 12463816), (24, 10905839), (28, 9347862), (42, 6231908), (56, 4673931), (84, 3115954), (168, 1557977), (661, 395976), (1322, 197988), (1983, 131992), (2357, 111048), (2644, 98994), (3966, 65996), (4627, 56568), (4714, 55524), (5288, 49497), (7071, 37016), (7932, 32998), (9254, 28284), (9428, 27762), (13881, 18856), (14142, 18508), (15864, 16499)]