66895088

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{321611}}^1$

素因数の和:321632

約数の個数: 20

約数和(自身を含む): 139579608

約数和(自身を除く): 72684520

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 321611, 643222, 1286444, 2572888, 4180943, 5145776, 8361886, 16723772, 33447544, 66895088]

約数ペア:

[(1, 66895088), (2, 33447544), (4, 16723772), (8, 8361886), (13, 5145776), (16, 4180943), (26, 2572888), (52, 1286444), (104, 643222), (208, 321611)]