2019396568

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{197}}^1\times {\mathrm{1123}}^1$

素因数の和:1496

約数の個数: 64

約数和(自身を含む): 4379823360

約数和(自身を除く): 2360426792

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 197, 326, 394, 652, 788, 1123, 1141, 1304, 1379, 1576, 2246, 2282, 2758, 4492, 4564, 5516, 7861, 8984, 9128, 11032, 15722, 31444, 32111, 62888, 64222, 128444, 183049, 221231, 224777, 256888, 366098, 442462, 449554, 732196, 884924, 899108, 1281343, 1464392, 1548617, 1769848, 1798216, 2562686, 3097234, 5125372, 6194468, 10250744, 12388936, 36060653, 72121306, 144242612, 252424571, 288485224, 504849142, 1009698284, 2019396568]

約数ペア:

[(1, 2019396568), (2, 1009698284), (4, 504849142), (7, 288485224), (8, 252424571), (14, 144242612), (28, 72121306), (56, 36060653), (163, 12388936), (197, 10250744), (326, 6194468), (394, 5125372), (652, 3097234), (788, 2562686), (1123, 1798216), (1141, 1769848), (1304, 1548617), (1379, 1464392), (1576, 1281343), (2246, 899108), (2282, 884924), (2758, 732196), (4492, 449554), (4564, 442462), (5516, 366098), (7861, 256888), (8984, 224777), (9128, 221231), (11032, 183049), (15722, 128444), (31444, 64222), (32111, 62888)]