15997212

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:256

約数の個数: 144

約数和(自身を含む): 52416000

約数和(自身を除く): 36418788

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 29, 33, 36, 42, 44, 58, 63, 66, 77, 84, 87, 99, 116, 126, 132, 154, 174, 198, 199, 203, 231, 252, 261, 308, 319, 348, 396, 398, 406, 462, 522, 597, 609, 638, 693, 796, 812, 924, 957, 1044, 1194, 1218, 1276, 1386, 1393, 1791, 1827, 1914, 2189, 2233, 2388, 2436, 2772, 2786, 2871, 3582, 3654, 3828, 4179, 4378, 4466, 5572, 5742, 5771, 6567, 6699, 7164, 7308, 8358, 8756, 8932, 11484, 11542, 12537, 13134, 13398, 15323, 16716, 17313, 19701, 20097, 23084, 25074, 26268, 26796, 30646, 34626, 39402, 40194, 40397, 45969, 50148, 51939, 61292, 63481, 69252, 78804, 80388, 80794, 91938, 103878, 121191, 126962, 137907, 161588, 183876, 190443, 207756, 242382, 253924, 275814, 363573, 380886, 444367, 484764, 551628, 571329, 727146, 761772, 888734, 1142658, 1333101, 1454292, 1777468, 2285316, 2666202, 3999303, 5332404, 7998606, 15997212]

約数ペア:

[(1, 15997212), (2, 7998606), (3, 5332404), (4, 3999303), (6, 2666202), (7, 2285316), (9, 1777468), (11, 1454292), (12, 1333101), (14, 1142658), (18, 888734), (21, 761772), (22, 727146), (28, 571329), (29, 551628), (33, 484764), (36, 444367), (42, 380886), (44, 363573), (58, 275814), (63, 253924), (66, 242382), (77, 207756), (84, 190443), (87, 183876), (99, 161588), (116, 137907), (126, 126962), (132, 121191), (154, 103878), (174, 91938), (198, 80794), (199, 80388), (203, 78804), (231, 69252), (252, 63481), (261, 61292), (308, 51939), (319, 50148), (348, 45969), (396, 40397), (398, 40194), (406, 39402), (462, 34626), (522, 30646), (597, 26796), (609, 26268), (638, 25074), (693, 23084), (796, 20097), (812, 19701), (924, 17313), (957, 16716), (1044, 15323), (1194, 13398), (1218, 13134), (1276, 12537), (1386, 11542), (1393, 11484), (1791, 8932), (1827, 8756), (1914, 8358), (2189, 7308), (2233, 7164), (2388, 6699), (2436, 6567), (2772, 5771), (2786, 5742), (2871, 5572), (3582, 4466), (3654, 4378), (3828, 4179)]