81905408

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{24611}}^1$

素因数の和:24640

約数の個数: 36

約数和(自身を含む): 176074248

約数和(自身を除く): 94168840

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 24611, 49222, 98444, 196888, 319943, 393776, 639886, 787552, 1279772, 1575104, 2559544, 3150208, 5119088, 6300416, 10238176, 20476352, 40952704, 81905408]

約数ペア:

[(1, 81905408), (2, 40952704), (4, 20476352), (8, 10238176), (13, 6300416), (16, 5119088), (26, 3150208), (32, 2559544), (52, 1575104), (64, 1279772), (104, 787552), (128, 639886), (208, 393776), (256, 319943), (416, 196888), (832, 98444), (1664, 49222), (3328, 24611)]