71986684

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{193}}^1$

素因数の和:395

約数の個数: 72

約数和(自身を含む): 161623728

約数和(自身を除く): 89637044

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 173, 193, 196, 308, 346, 386, 539, 692, 772, 1078, 1211, 1351, 1903, 2123, 2156, 2422, 2702, 3806, 4246, 4844, 5404, 7612, 8477, 8492, 9457, 13321, 14861, 16954, 18914, 26642, 29722, 33389, 33908, 37828, 53284, 59444, 66778, 93247, 104027, 133556, 186494, 208054, 233723, 367279, 372988, 416108, 467446, 734558, 934892, 1469116, 1636061, 2570953, 3272122, 5141906, 6544244, 10283812, 17996671, 35993342, 71986684]

約数ペア:

[(1, 71986684), (2, 35993342), (4, 17996671), (7, 10283812), (11, 6544244), (14, 5141906), (22, 3272122), (28, 2570953), (44, 1636061), (49, 1469116), (77, 934892), (98, 734558), (154, 467446), (173, 416108), (193, 372988), (196, 367279), (308, 233723), (346, 208054), (386, 186494), (539, 133556), (692, 104027), (772, 93247), (1078, 66778), (1211, 59444), (1351, 53284), (1903, 37828), (2123, 33908), (2156, 33389), (2422, 29722), (2702, 26642), (3806, 18914), (4246, 16954), (4844, 14861), (5404, 13321), (7612, 9457), (8477, 8492)]