289013032

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{20399}}^1$

素因数の和:20446

約数の個数: 64

約数和(自身を含む): 705024000

約数和(自身を除く): 416010968

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 23, 28, 44, 46, 56, 77, 88, 92, 154, 161, 184, 253, 308, 322, 506, 616, 644, 1012, 1288, 1771, 2024, 3542, 7084, 14168, 20399, 40798, 81596, 142793, 163192, 224389, 285586, 448778, 469177, 571172, 897556, 938354, 1142344, 1570723, 1795112, 1876708, 3141446, 3284239, 3753416, 5160947, 6282892, 6568478, 10321894, 12565784, 13136956, 20643788, 26273912, 36126629, 41287576, 72253258, 144506516, 289013032]

約数ペア:

[(1, 289013032), (2, 144506516), (4, 72253258), (7, 41287576), (8, 36126629), (11, 26273912), (14, 20643788), (22, 13136956), (23, 12565784), (28, 10321894), (44, 6568478), (46, 6282892), (56, 5160947), (77, 3753416), (88, 3284239), (92, 3141446), (154, 1876708), (161, 1795112), (184, 1570723), (253, 1142344), (308, 938354), (322, 897556), (506, 571172), (616, 469177), (644, 448778), (1012, 285586), (1288, 224389), (1771, 163192), (2024, 142793), (3542, 81596), (7084, 40798), (14168, 20399)]