81993392

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{30323}}^1$

素因数の和:30357

約数の個数: 30

約数和(自身を含む): 172028052

約数和(自身を除く): 90034660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 30323, 60646, 121292, 242584, 394199, 485168, 788398, 1576796, 3153592, 5124587, 6307184, 10249174, 20498348, 40996696, 81993392]

約数ペア:

[(1, 81993392), (2, 40996696), (4, 20498348), (8, 10249174), (13, 6307184), (16, 5124587), (26, 3153592), (52, 1576796), (104, 788398), (169, 485168), (208, 394199), (338, 242584), (676, 121292), (1352, 60646), (2704, 30323)]