81430144

素因数分解:

$2^7\times {\mathrm{29}}^1\times {\mathrm{21937}}^1$

素因数の和:21980

約数の個数: 32

約数和(自身を含む): 167825700

約数和(自身を除く): 86395556

約数列:

[1, 2, 4, 8, 16, 29, 32, 58, 64, 116, 128, 232, 464, 928, 1856, 3712, 21937, 43874, 87748, 175496, 350992, 636173, 701984, 1272346, 1403968, 2544692, 2807936, 5089384, 10178768, 20357536, 40715072, 81430144]

約数ペア:

[(1, 81430144), (2, 40715072), (4, 20357536), (8, 10178768), (16, 5089384), (29, 2807936), (32, 2544692), (58, 1403968), (64, 1272346), (116, 701984), (128, 636173), (232, 350992), (464, 175496), (928, 87748), (1856, 43874), (3712, 21937)]