319366964

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{61}}^1\times {\mathrm{647}}^1$

素因数の和:753

約数の個数: 72

約数和(自身を含む): 690705792

約数和(自身を除く): 371338828

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 61, 68, 119, 122, 238, 244, 289, 427, 476, 578, 647, 854, 1037, 1156, 1294, 1708, 2023, 2074, 2588, 4046, 4148, 4529, 7259, 8092, 9058, 10999, 14518, 17629, 18116, 21998, 29036, 35258, 39467, 43996, 70516, 76993, 78934, 123403, 153986, 157868, 186983, 246806, 276269, 307972, 373966, 493612, 552538, 670939, 747932, 1105076, 1308881, 1341878, 2617762, 2683756, 4696573, 5235524, 9393146, 11405963, 18786292, 22811926, 45623852, 79841741, 159683482, 319366964]

約数ペア:

[(1, 319366964), (2, 159683482), (4, 79841741), (7, 45623852), (14, 22811926), (17, 18786292), (28, 11405963), (34, 9393146), (61, 5235524), (68, 4696573), (119, 2683756), (122, 2617762), (238, 1341878), (244, 1308881), (289, 1105076), (427, 747932), (476, 670939), (578, 552538), (647, 493612), (854, 373966), (1037, 307972), (1156, 276269), (1294, 246806), (1708, 186983), (2023, 157868), (2074, 153986), (2588, 123403), (4046, 78934), (4148, 76993), (4529, 70516), (7259, 43996), (8092, 39467), (9058, 35258), (10999, 29036), (14518, 21998), (17629, 18116)]