819845628

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{207661}}^1$

素因数の和:207722

約数の個数: 48

約数和(自身を含む): 2232781824

約数和(自身を除く): 1412936196

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 47, 84, 94, 141, 188, 282, 329, 564, 658, 987, 1316, 1974, 3948, 207661, 415322, 622983, 830644, 1245966, 1453627, 2491932, 2907254, 4360881, 5814508, 8721762, 9760067, 17443524, 19520134, 29280201, 39040268, 58560402, 68320469, 117120804, 136640938, 204961407, 273281876, 409922814, 819845628]

約数ペア:

[(1, 819845628), (2, 409922814), (3, 273281876), (4, 204961407), (6, 136640938), (7, 117120804), (12, 68320469), (14, 58560402), (21, 39040268), (28, 29280201), (42, 19520134), (47, 17443524), (84, 9760067), (94, 8721762), (141, 5814508), (188, 4360881), (282, 2907254), (329, 2491932), (564, 1453627), (658, 1245966), (987, 830644), (1316, 622983), (1974, 415322), (3948, 207661)]