28587816

素因数分解:

$2^3\times 3^4\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 80869140

約数和(自身を除く): 52281324

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 157, 162, 216, 281, 314, 324, 471, 562, 628, 648, 843, 942, 1124, 1256, 1413, 1686, 1884, 2248, 2529, 2826, 3372, 3768, 4239, 5058, 5652, 6744, 7587, 8478, 10116, 11304, 12717, 15174, 16956, 20232, 22761, 25434, 30348, 33912, 44117, 45522, 50868, 60696, 88234, 91044, 101736, 132351, 176468, 182088, 264702, 352936, 397053, 529404, 794106, 1058808, 1191159, 1588212, 2382318, 3176424, 3573477, 4764636, 7146954, 9529272, 14293908, 28587816]

約数ペア:

[(1, 28587816), (2, 14293908), (3, 9529272), (4, 7146954), (6, 4764636), (8, 3573477), (9, 3176424), (12, 2382318), (18, 1588212), (24, 1191159), (27, 1058808), (36, 794106), (54, 529404), (72, 397053), (81, 352936), (108, 264702), (157, 182088), (162, 176468), (216, 132351), (281, 101736), (314, 91044), (324, 88234), (471, 60696), (562, 50868), (628, 45522), (648, 44117), (843, 33912), (942, 30348), (1124, 25434), (1256, 22761), (1413, 20232), (1686, 16956), (1884, 15174), (2248, 12717), (2529, 11304), (2826, 10116), (3372, 8478), (3768, 7587), (4239, 6744), (5058, 5652)]