13333376

素因数分解:

$2^7\times 7^1\times {\mathrm{23}}^1\times {\mathrm{647}}^1$

素因数の和:691

約数の個数: 64

約数和(自身を含む): 31726080

約数和(自身を除く): 18392704

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 56, 64, 92, 112, 128, 161, 184, 224, 322, 368, 448, 644, 647, 736, 896, 1288, 1294, 1472, 2576, 2588, 2944, 4529, 5152, 5176, 9058, 10304, 10352, 14881, 18116, 20608, 20704, 29762, 36232, 41408, 59524, 72464, 82816, 104167, 119048, 144928, 208334, 238096, 289856, 416668, 476192, 579712, 833336, 952384, 1666672, 1904768, 3333344, 6666688, 13333376]

約数ペア:

[(1, 13333376), (2, 6666688), (4, 3333344), (7, 1904768), (8, 1666672), (14, 952384), (16, 833336), (23, 579712), (28, 476192), (32, 416668), (46, 289856), (56, 238096), (64, 208334), (92, 144928), (112, 119048), (128, 104167), (161, 82816), (184, 72464), (224, 59524), (322, 41408), (368, 36232), (448, 29762), (644, 20704), (647, 20608), (736, 18116), (896, 14881), (1288, 10352), (1294, 10304), (1472, 9058), (2576, 5176), (2588, 5152), (2944, 4529)]