389931808

素因数分解:

$2^5\times 7^2\times {\mathrm{149}}^1\times {\mathrm{1669}}^1$

素因数の和:1842

約数の個数: 72

約数和(自身を含む): 899545500

約数和(自身を除く): 509613692

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 149, 196, 224, 298, 392, 596, 784, 1043, 1192, 1568, 1669, 2086, 2384, 3338, 4172, 4768, 6676, 7301, 8344, 11683, 13352, 14602, 16688, 23366, 26704, 29204, 33376, 46732, 53408, 58408, 81781, 93464, 116816, 163562, 186928, 233632, 248681, 327124, 373856, 497362, 654248, 994724, 1308496, 1740767, 1989448, 2616992, 3481534, 3978896, 6963068, 7957792, 12185369, 13926136, 24370738, 27852272, 48741476, 55704544, 97482952, 194965904, 389931808]

約数ペア:

[(1, 389931808), (2, 194965904), (4, 97482952), (7, 55704544), (8, 48741476), (14, 27852272), (16, 24370738), (28, 13926136), (32, 12185369), (49, 7957792), (56, 6963068), (98, 3978896), (112, 3481534), (149, 2616992), (196, 1989448), (224, 1740767), (298, 1308496), (392, 994724), (596, 654248), (784, 497362), (1043, 373856), (1192, 327124), (1568, 248681), (1669, 233632), (2086, 186928), (2384, 163562), (3338, 116816), (4172, 93464), (4768, 81781), (6676, 58408), (7301, 53408), (8344, 46732), (11683, 33376), (13352, 29204), (14602, 26704), (16688, 23366)]