81185728

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{97579}}^1$

素因数の和:97604

約数の個数: 28

約数和(自身を含む): 173497240

約数和(自身を除く): 92311512

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 97579, 195158, 390316, 780632, 1268527, 1561264, 2537054, 3122528, 5074108, 6245056, 10148216, 20296432, 40592864, 81185728]

約数ペア:

[(1, 81185728), (2, 40592864), (4, 20296432), (8, 10148216), (13, 6245056), (16, 5074108), (26, 3122528), (32, 2537054), (52, 1561264), (64, 1268527), (104, 780632), (208, 390316), (416, 195158), (832, 97579)]