27996410

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6947}}^1$

素因数の和:6998

約数の個数: 32

約数和(自身を含む): 56028672

約数和(自身を除く): 28032262

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6947, 13894, 34735, 69470, 90311, 180622, 215357, 430714, 451555, 903110, 1076785, 2153570, 2799641, 5599282, 13998205, 27996410]

約数ペア:

[(1, 27996410), (2, 13998205), (5, 5599282), (10, 2799641), (13, 2153570), (26, 1076785), (31, 903110), (62, 451555), (65, 430714), (130, 215357), (155, 180622), (310, 90311), (403, 69470), (806, 34735), (2015, 13894), (4030, 6947)]