81666312

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{613}}^1$

素因数の和:703

約数の個数: 128

約数和(自身を含む): 255816960

約数和(自身を除く): 174150648

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 61, 78, 84, 91, 104, 122, 156, 168, 182, 183, 244, 273, 312, 364, 366, 427, 488, 546, 613, 728, 732, 793, 854, 1092, 1226, 1281, 1464, 1586, 1708, 1839, 2184, 2379, 2452, 2562, 3172, 3416, 3678, 4291, 4758, 4904, 5124, 5551, 6344, 7356, 7969, 8582, 9516, 10248, 11102, 12873, 14712, 15938, 16653, 17164, 19032, 22204, 23907, 25746, 31876, 33306, 34328, 37393, 44408, 47814, 51492, 55783, 63752, 66612, 74786, 95628, 102984, 111566, 112179, 133224, 149572, 167349, 191256, 223132, 224358, 261751, 299144, 334698, 446264, 448716, 486109, 523502, 669396, 785253, 897432, 972218, 1047004, 1338792, 1458327, 1570506, 1944436, 2094008, 2916654, 3141012, 3402763, 3888872, 5833308, 6282024, 6805526, 10208289, 11666616, 13611052, 20416578, 27222104, 40833156, 81666312]

約数ペア:

[(1, 81666312), (2, 40833156), (3, 27222104), (4, 20416578), (6, 13611052), (7, 11666616), (8, 10208289), (12, 6805526), (13, 6282024), (14, 5833308), (21, 3888872), (24, 3402763), (26, 3141012), (28, 2916654), (39, 2094008), (42, 1944436), (52, 1570506), (56, 1458327), (61, 1338792), (78, 1047004), (84, 972218), (91, 897432), (104, 785253), (122, 669396), (156, 523502), (168, 486109), (182, 448716), (183, 446264), (244, 334698), (273, 299144), (312, 261751), (364, 224358), (366, 223132), (427, 191256), (488, 167349), (546, 149572), (613, 133224), (728, 112179), (732, 111566), (793, 102984), (854, 95628), (1092, 74786), (1226, 66612), (1281, 63752), (1464, 55783), (1586, 51492), (1708, 47814), (1839, 44408), (2184, 37393), (2379, 34328), (2452, 33306), (2562, 31876), (3172, 25746), (3416, 23907), (3678, 22204), (4291, 19032), (4758, 17164), (4904, 16653), (5124, 15938), (5551, 14712), (6344, 12873), (7356, 11102), (7969, 10248), (8582, 9516)]