221551512

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1663}}^1$

素因数の和:1753

約数の個数: 128

約数和(自身を含む): 693288960

約数和(自身を除く): 471737448

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, 728, 732, 793, 854, 1092, 1281, 1464, 1586, 1663, 1708, 2184, 2379, 2562, 3172, 3326, 3416, 4758, 4989, 5124, 5551, 6344, 6652, 9516, 9978, 10248, 11102, 11641, 13304, 16653, 19032, 19956, 21619, 22204, 23282, 33306, 34923, 39912, 43238, 44408, 46564, 64857, 66612, 69846, 86476, 93128, 101443, 129714, 133224, 139692, 151333, 172952, 202886, 259428, 279384, 302666, 304329, 405772, 453999, 518856, 605332, 608658, 710101, 811544, 907998, 1210664, 1217316, 1318759, 1420202, 1815996, 2130303, 2434632, 2637518, 2840404, 3631992, 3956277, 4260606, 5275036, 5680808, 7912554, 8521212, 9231313, 10550072, 15825108, 17042424, 18462626, 27693939, 31650216, 36925252, 55387878, 73850504, 110775756, 221551512]

約数ペア:

[(1, 221551512), (2, 110775756), (3, 73850504), (4, 55387878), (6, 36925252), (7, 31650216), (8, 27693939), (12, 18462626), (13, 17042424), (14, 15825108), (21, 10550072), (24, 9231313), (26, 8521212), (28, 7912554), (39, 5680808), (42, 5275036), (52, 4260606), (56, 3956277), (61, 3631992), (78, 2840404), (84, 2637518), (91, 2434632), (104, 2130303), (122, 1815996), (156, 1420202), (168, 1318759), (182, 1217316), (183, 1210664), (244, 907998), (273, 811544), (312, 710101), (364, 608658), (366, 605332), (427, 518856), (488, 453999), (546, 405772), (728, 304329), (732, 302666), (793, 279384), (854, 259428), (1092, 202886), (1281, 172952), (1464, 151333), (1586, 139692), (1663, 133224), (1708, 129714), (2184, 101443), (2379, 93128), (2562, 86476), (3172, 69846), (3326, 66612), (3416, 64857), (4758, 46564), (4989, 44408), (5124, 43238), (5551, 39912), (6344, 34923), (6652, 33306), (9516, 23282), (9978, 22204), (10248, 21619), (11102, 19956), (11641, 19032), (13304, 16653)]