81292372

素因数分解:

$2^2\times 7^3\times {\mathrm{193}}^1\times {\mathrm{307}}^1$

素因数の和:525

約数の個数: 48

約数和(自身を含む): 167305600

約数和(自身を除く): 86013228

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 193, 196, 307, 343, 386, 614, 686, 772, 1228, 1351, 1372, 2149, 2702, 4298, 5404, 8596, 9457, 15043, 18914, 30086, 37828, 59251, 60172, 66199, 105301, 118502, 132398, 210602, 237004, 264796, 414757, 421204, 829514, 1659028, 2903299, 5806598, 11613196, 20323093, 40646186, 81292372]

約数ペア:

[(1, 81292372), (2, 40646186), (4, 20323093), (7, 11613196), (14, 5806598), (28, 2903299), (49, 1659028), (98, 829514), (193, 421204), (196, 414757), (307, 264796), (343, 237004), (386, 210602), (614, 132398), (686, 118502), (772, 105301), (1228, 66199), (1351, 60172), (1372, 59251), (2149, 37828), (2702, 30086), (4298, 18914), (5404, 15043), (8596, 9457)]