28439856

素因数分解:

$2^4\times 3^3\times {\mathrm{43}}^1\times {\mathrm{1531}}^1$

素因数の和:1591

約数の個数: 80

約数和(自身を含む): 83585920

約数和(自身を除く): 55146064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 36, 43, 48, 54, 72, 86, 108, 129, 144, 172, 216, 258, 344, 387, 432, 516, 688, 774, 1032, 1161, 1531, 1548, 2064, 2322, 3062, 3096, 4593, 4644, 6124, 6192, 9186, 9288, 12248, 13779, 18372, 18576, 24496, 27558, 36744, 41337, 55116, 65833, 73488, 82674, 110232, 131666, 165348, 197499, 220464, 263332, 330696, 394998, 526664, 592497, 661392, 789996, 1053328, 1184994, 1579992, 1777491, 2369988, 3159984, 3554982, 4739976, 7109964, 9479952, 14219928, 28439856]

約数ペア:

[(1, 28439856), (2, 14219928), (3, 9479952), (4, 7109964), (6, 4739976), (8, 3554982), (9, 3159984), (12, 2369988), (16, 1777491), (18, 1579992), (24, 1184994), (27, 1053328), (36, 789996), (43, 661392), (48, 592497), (54, 526664), (72, 394998), (86, 330696), (108, 263332), (129, 220464), (144, 197499), (172, 165348), (216, 131666), (258, 110232), (344, 82674), (387, 73488), (432, 65833), (516, 55116), (688, 41337), (774, 36744), (1032, 27558), (1161, 24496), (1531, 18576), (1548, 18372), (2064, 13779), (2322, 12248), (3062, 9288), (3096, 9186), (4593, 6192), (4644, 6124)]