28523292

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{179}}^1\times {\mathrm{271}}^1$

素因数の和:471

約数の個数: 72

約数和(自身を含む): 78140160

約数和(自身を除く): 49616868

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 179, 196, 271, 294, 358, 537, 542, 588, 716, 813, 1074, 1084, 1253, 1626, 1897, 2148, 2506, 3252, 3759, 3794, 5012, 5691, 7518, 7588, 8771, 11382, 13279, 15036, 17542, 22764, 26313, 26558, 35084, 39837, 48509, 52626, 53116, 79674, 97018, 105252, 145527, 159348, 194036, 291054, 339563, 582108, 679126, 1018689, 1358252, 2037378, 2376941, 4074756, 4753882, 7130823, 9507764, 14261646, 28523292]

約数ペア:

[(1, 28523292), (2, 14261646), (3, 9507764), (4, 7130823), (6, 4753882), (7, 4074756), (12, 2376941), (14, 2037378), (21, 1358252), (28, 1018689), (42, 679126), (49, 582108), (84, 339563), (98, 291054), (147, 194036), (179, 159348), (196, 145527), (271, 105252), (294, 97018), (358, 79674), (537, 53116), (542, 52626), (588, 48509), (716, 39837), (813, 35084), (1074, 26558), (1084, 26313), (1253, 22764), (1626, 17542), (1897, 15036), (2148, 13279), (2506, 11382), (3252, 8771), (3759, 7588), (3794, 7518), (5012, 5691)]