16405256

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 21196024

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 47, 56, 92, 94, 161, 184, 188, 271, 322, 329, 376, 542, 644, 658, 1081, 1084, 1288, 1316, 1897, 2162, 2168, 2632, 3794, 4324, 6233, 7567, 7588, 8648, 12466, 12737, 15134, 15176, 24932, 25474, 30268, 43631, 49864, 50948, 60536, 87262, 89159, 101896, 174524, 178318, 292951, 349048, 356636, 585902, 713272, 1171804, 2050657, 2343608, 4101314, 8202628, 16405256]

約数ペア:

[(1, 16405256), (2, 8202628), (4, 4101314), (7, 2343608), (8, 2050657), (14, 1171804), (23, 713272), (28, 585902), (46, 356636), (47, 349048), (56, 292951), (92, 178318), (94, 174524), (161, 101896), (184, 89159), (188, 87262), (271, 60536), (322, 50948), (329, 49864), (376, 43631), (542, 30268), (644, 25474), (658, 24932), (1081, 15176), (1084, 15134), (1288, 12737), (1316, 12466), (1897, 8648), (2162, 7588), (2168, 7567), (2632, 6233), (3794, 4324)]