81005358

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{52127}}^1$

素因数の和:52176

約数の個数: 32

約数和(自身を含む): 190162944

約数和(自身を除く): 109157586

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 222, 259, 518, 777, 1554, 52127, 104254, 156381, 312762, 364889, 729778, 1094667, 1928699, 2189334, 3857398, 5786097, 11572194, 13500893, 27001786, 40502679, 81005358]

約数ペア:

[(1, 81005358), (2, 40502679), (3, 27001786), (6, 13500893), (7, 11572194), (14, 5786097), (21, 3857398), (37, 2189334), (42, 1928699), (74, 1094667), (111, 729778), (222, 364889), (259, 312762), (518, 156381), (777, 104254), (1554, 52127)]