28639584

素因数分解:

$2^5\times 3^2\times {\mathrm{277}}^1\times {\mathrm{359}}^1$

素因数の和:652

約数の個数: 72

約数和(自身を含む): 81965520

約数和(自身を除く): 53325936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 277, 288, 359, 554, 718, 831, 1077, 1108, 1436, 1662, 2154, 2216, 2493, 2872, 3231, 3324, 4308, 4432, 4986, 5744, 6462, 6648, 8616, 8864, 9972, 11488, 12924, 13296, 17232, 19944, 25848, 26592, 34464, 39888, 51696, 79776, 99443, 103392, 198886, 298329, 397772, 596658, 795544, 894987, 1193316, 1591088, 1789974, 2386632, 3182176, 3579948, 4773264, 7159896, 9546528, 14319792, 28639584]

約数ペア:

[(1, 28639584), (2, 14319792), (3, 9546528), (4, 7159896), (6, 4773264), (8, 3579948), (9, 3182176), (12, 2386632), (16, 1789974), (18, 1591088), (24, 1193316), (32, 894987), (36, 795544), (48, 596658), (72, 397772), (96, 298329), (144, 198886), (277, 103392), (288, 99443), (359, 79776), (554, 51696), (718, 39888), (831, 34464), (1077, 26592), (1108, 25848), (1436, 19944), (1662, 17232), (2154, 13296), (2216, 12924), (2493, 11488), (2872, 9972), (3231, 8864), (3324, 8616), (4308, 6648), (4432, 6462), (4986, 5744)]