81904312

素因数分解:

$2^3\times 7^1\times {\mathrm{251}}^1\times {\mathrm{5827}}^1$

素因数の和:6091

約数の個数: 32

約数和(自身を含む): 176238720

約数和(自身を除く): 94334408

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 251, 502, 1004, 1757, 2008, 3514, 5827, 7028, 11654, 14056, 23308, 40789, 46616, 81578, 163156, 326312, 1462577, 2925154, 5850308, 10238039, 11700616, 20476078, 40952156, 81904312]

約数ペア:

[(1, 81904312), (2, 40952156), (4, 20476078), (7, 11700616), (8, 10238039), (14, 5850308), (28, 2925154), (56, 1462577), (251, 326312), (502, 163156), (1004, 81578), (1757, 46616), (2008, 40789), (3514, 23308), (5827, 14056), (7028, 11654)]