28665864

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:299

約数の個数: 96

約数和(自身を含む): 81544320

約数和(自身を除く): 52878456

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 47, 72, 86, 94, 129, 141, 172, 188, 197, 258, 282, 344, 376, 387, 394, 423, 516, 564, 591, 774, 788, 846, 1032, 1128, 1182, 1548, 1576, 1692, 1773, 2021, 2364, 3096, 3384, 3546, 4042, 4728, 6063, 7092, 8084, 8471, 9259, 12126, 14184, 16168, 16942, 18189, 18518, 24252, 25413, 27777, 33884, 36378, 37036, 48504, 50826, 55554, 67768, 72756, 74072, 76239, 83331, 101652, 111108, 145512, 152478, 166662, 203304, 222216, 304956, 333324, 398137, 609912, 666648, 796274, 1194411, 1592548, 2388822, 3185096, 3583233, 4777644, 7166466, 9555288, 14332932, 28665864]

約数ペア:

[(1, 28665864), (2, 14332932), (3, 9555288), (4, 7166466), (6, 4777644), (8, 3583233), (9, 3185096), (12, 2388822), (18, 1592548), (24, 1194411), (36, 796274), (43, 666648), (47, 609912), (72, 398137), (86, 333324), (94, 304956), (129, 222216), (141, 203304), (172, 166662), (188, 152478), (197, 145512), (258, 111108), (282, 101652), (344, 83331), (376, 76239), (387, 74072), (394, 72756), (423, 67768), (516, 55554), (564, 50826), (591, 48504), (774, 37036), (788, 36378), (846, 33884), (1032, 27777), (1128, 25413), (1182, 24252), (1548, 18518), (1576, 18189), (1692, 16942), (1773, 16168), (2021, 14184), (2364, 12126), (3096, 9259), (3384, 8471), (3546, 8084), (4042, 7092), (4728, 6063)]