168319984

素因数分解:

$2^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{347}}^1$

素因数の和:494

約数の個数: 80

約数和(自身を含む): 385261056

約数和(自身を除く): 216941072

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 61, 71, 112, 122, 142, 244, 284, 347, 427, 488, 497, 568, 694, 854, 976, 994, 1136, 1388, 1708, 1988, 2429, 2776, 3416, 3976, 4331, 4858, 5552, 6832, 7952, 8662, 9716, 17324, 19432, 21167, 24637, 30317, 34648, 38864, 42334, 49274, 60634, 69296, 84668, 98548, 121268, 148169, 169336, 172459, 197096, 242536, 296338, 338672, 344918, 394192, 485072, 592676, 689836, 1185352, 1379672, 1502857, 2370704, 2759344, 3005714, 6011428, 10519999, 12022856, 21039998, 24045712, 42079996, 84159992, 168319984]

約数ペア:

[(1, 168319984), (2, 84159992), (4, 42079996), (7, 24045712), (8, 21039998), (14, 12022856), (16, 10519999), (28, 6011428), (56, 3005714), (61, 2759344), (71, 2370704), (112, 1502857), (122, 1379672), (142, 1185352), (244, 689836), (284, 592676), (347, 485072), (427, 394192), (488, 344918), (497, 338672), (568, 296338), (694, 242536), (854, 197096), (976, 172459), (994, 169336), (1136, 148169), (1388, 121268), (1708, 98548), (1988, 84668), (2429, 69296), (2776, 60634), (3416, 49274), (3976, 42334), (4331, 38864), (4858, 34648), (5552, 30317), (6832, 24637), (7952, 21167), (8662, 19432), (9716, 17324)]