139993984

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{84131}}^1$

素因数の和:84158

約数の個数: 32

約数和(自身を含む): 300351240

約数和(自身を除く): 160357256

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 84131, 168262, 336524, 673048, 1093703, 1346096, 2187406, 2692192, 4374812, 5384384, 8749624, 10768768, 17499248, 34998496, 69996992, 139993984]

約数ペア:

[(1, 139993984), (2, 69996992), (4, 34998496), (8, 17499248), (13, 10768768), (16, 8749624), (26, 5384384), (32, 4374812), (52, 2692192), (64, 2187406), (104, 1346096), (128, 1093703), (208, 673048), (416, 336524), (832, 168262), (1664, 84131)]