31231728

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19717}}^1$

素因数の和:19742

約数の個数: 60

約数和(自身を含む): 95356248

約数和(自身を除く): 64124520

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 72, 88, 99, 132, 144, 176, 198, 264, 396, 528, 792, 1584, 19717, 39434, 59151, 78868, 118302, 157736, 177453, 216887, 236604, 315472, 354906, 433774, 473208, 650661, 709812, 867548, 946416, 1301322, 1419624, 1735096, 1951983, 2602644, 2839248, 3470192, 3903966, 5205288, 7807932, 10410576, 15615864, 31231728]

約数ペア:

[(1, 31231728), (2, 15615864), (3, 10410576), (4, 7807932), (6, 5205288), (8, 3903966), (9, 3470192), (11, 2839248), (12, 2602644), (16, 1951983), (18, 1735096), (22, 1419624), (24, 1301322), (33, 946416), (36, 867548), (44, 709812), (48, 650661), (66, 473208), (72, 433774), (88, 354906), (99, 315472), (132, 236604), (144, 216887), (176, 177453), (198, 157736), (264, 118302), (396, 78868), (528, 59151), (792, 39434), (1584, 19717)]