81238144

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{48821}}^1$

素因数の和:48848

約数の個数: 32

約数和(自身を含む): 174294540

約数和(自身を除く): 93056396

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 48821, 97642, 195284, 390568, 634673, 781136, 1269346, 1562272, 2538692, 3124544, 5077384, 6249088, 10154768, 20309536, 40619072, 81238144]

約数ペア:

[(1, 81238144), (2, 40619072), (4, 20309536), (8, 10154768), (13, 6249088), (16, 5077384), (26, 3124544), (32, 2538692), (52, 1562272), (64, 1269346), (104, 781136), (128, 634673), (208, 390568), (416, 195284), (832, 97642), (1664, 48821)]