221379288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1\times {\mathrm{151}}^1$

素因数の和:337

約数の個数: 128

約数和(自身を含む): 621035520

約数和(自身を除く): 399656232

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 37, 39, 52, 74, 78, 104, 111, 127, 148, 151, 156, 222, 254, 296, 302, 312, 381, 444, 453, 481, 508, 604, 762, 888, 906, 962, 1016, 1208, 1443, 1524, 1651, 1812, 1924, 1963, 2886, 3048, 3302, 3624, 3848, 3926, 4699, 4953, 5587, 5772, 5889, 6604, 7852, 9398, 9906, 11174, 11544, 11778, 13208, 14097, 15704, 16761, 18796, 19177, 19812, 22348, 23556, 28194, 33522, 37592, 38354, 39624, 44696, 47112, 56388, 57531, 61087, 67044, 72631, 76708, 112776, 115062, 122174, 134088, 145262, 153416, 183261, 217893, 230124, 244348, 249301, 290524, 366522, 435786, 460248, 488696, 498602, 581048, 709549, 733044, 747903, 871572, 997204, 1419098, 1466088, 1495806, 1743144, 1994408, 2128647, 2838196, 2991612, 4257294, 5676392, 5983224, 8514588, 9224137, 17029176, 18448274, 27672411, 36896548, 55344822, 73793096, 110689644, 221379288]

約数ペア:

[(1, 221379288), (2, 110689644), (3, 73793096), (4, 55344822), (6, 36896548), (8, 27672411), (12, 18448274), (13, 17029176), (24, 9224137), (26, 8514588), (37, 5983224), (39, 5676392), (52, 4257294), (74, 2991612), (78, 2838196), (104, 2128647), (111, 1994408), (127, 1743144), (148, 1495806), (151, 1466088), (156, 1419098), (222, 997204), (254, 871572), (296, 747903), (302, 733044), (312, 709549), (381, 581048), (444, 498602), (453, 488696), (481, 460248), (508, 435786), (604, 366522), (762, 290524), (888, 249301), (906, 244348), (962, 230124), (1016, 217893), (1208, 183261), (1443, 153416), (1524, 145262), (1651, 134088), (1812, 122174), (1924, 115062), (1963, 112776), (2886, 76708), (3048, 72631), (3302, 67044), (3624, 61087), (3848, 57531), (3926, 56388), (4699, 47112), (4953, 44696), (5587, 39624), (5772, 38354), (5889, 37592), (6604, 33522), (7852, 28194), (9398, 23556), (9906, 22348), (11174, 19812), (11544, 19177), (11778, 18796), (13208, 16761), (14097, 15704)]