311213268

素因数分解:

$2^2\times 3^2\times {\mathrm{29}}^1\times {\mathrm{307}}^1\times {\mathrm{971}}^1$

素因数の和:1317

約数の個数: 72

約数和(自身を含む): 817296480

約数和(自身を除く): 506083212

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 29, 36, 58, 87, 116, 174, 261, 307, 348, 522, 614, 921, 971, 1044, 1228, 1842, 1942, 2763, 2913, 3684, 3884, 5526, 5826, 8739, 8903, 11052, 11652, 17478, 17806, 26709, 28159, 34956, 35612, 53418, 56318, 80127, 84477, 106836, 112636, 160254, 168954, 253431, 298097, 320508, 337908, 506862, 596194, 894291, 1013724, 1192388, 1788582, 2682873, 3577164, 5365746, 8644813, 10731492, 17289626, 25934439, 34579252, 51868878, 77803317, 103737756, 155606634, 311213268]

約数ペア:

[(1, 311213268), (2, 155606634), (3, 103737756), (4, 77803317), (6, 51868878), (9, 34579252), (12, 25934439), (18, 17289626), (29, 10731492), (36, 8644813), (58, 5365746), (87, 3577164), (116, 2682873), (174, 1788582), (261, 1192388), (307, 1013724), (348, 894291), (522, 596194), (614, 506862), (921, 337908), (971, 320508), (1044, 298097), (1228, 253431), (1842, 168954), (1942, 160254), (2763, 112636), (2913, 106836), (3684, 84477), (3884, 80127), (5526, 56318), (5826, 53418), (8739, 35612), (8903, 34956), (11052, 28159), (11652, 26709), (17478, 17806)]