81491072

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48973}}^1$

素因数の和:49000

約数の個数: 32

約数和(自身を含む): 174837180

約数和(自身を除く): 93346108

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48973, 97946, 195892, 391784, 636649, 783568, 1273298, 1567136, 2546596, 3134272, 5093192, 6268544, 10186384, 20372768, 40745536, 81491072]

約数ペア:

[(1, 81491072), (2, 40745536), (4, 20372768), (8, 10186384), (13, 6268544), (16, 5093192), (26, 3134272), (32, 2546596), (52, 1567136), (64, 1273298), (104, 783568), (128, 636649), (208, 391784), (416, 195892), (832, 97946), (1664, 48973)]