261209988

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8089}}^1$

素因数の和:8138

約数の個数: 96

約数和(自身を含む): 761107200

約数和(自身を除く): 499897212

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 23, 26, 27, 36, 39, 46, 52, 54, 69, 78, 92, 108, 117, 138, 156, 207, 234, 276, 299, 351, 414, 468, 598, 621, 702, 828, 897, 1196, 1242, 1404, 1794, 2484, 2691, 3588, 5382, 8073, 8089, 10764, 16146, 16178, 24267, 32292, 32356, 48534, 72801, 97068, 105157, 145602, 186047, 210314, 218403, 291204, 315471, 372094, 420628, 436806, 558141, 630942, 744188, 873612, 946413, 1116282, 1261884, 1674423, 1892826, 2232564, 2418611, 2839239, 3348846, 3785652, 4837222, 5023269, 5678478, 6697692, 7255833, 9674444, 10046538, 11356956, 14511666, 20093076, 21767499, 29023332, 43534998, 65302497, 87069996, 130604994, 261209988]

約数ペア:

[(1, 261209988), (2, 130604994), (3, 87069996), (4, 65302497), (6, 43534998), (9, 29023332), (12, 21767499), (13, 20093076), (18, 14511666), (23, 11356956), (26, 10046538), (27, 9674444), (36, 7255833), (39, 6697692), (46, 5678478), (52, 5023269), (54, 4837222), (69, 3785652), (78, 3348846), (92, 2839239), (108, 2418611), (117, 2232564), (138, 1892826), (156, 1674423), (207, 1261884), (234, 1116282), (276, 946413), (299, 873612), (351, 744188), (414, 630942), (468, 558141), (598, 436806), (621, 420628), (702, 372094), (828, 315471), (897, 291204), (1196, 218403), (1242, 210314), (1404, 186047), (1794, 145602), (2484, 105157), (2691, 97068), (3588, 72801), (5382, 48534), (8073, 32356), (8089, 32292), (10764, 24267), (16146, 16178)]