81894064

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:378

約数の個数: 80

約数和(自身を含む): 189829120

約数和(自身を除く): 107935056

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 103, 112, 124, 206, 217, 229, 248, 412, 434, 458, 496, 721, 824, 868, 916, 1442, 1603, 1648, 1736, 1832, 2884, 3193, 3206, 3472, 3664, 5768, 6386, 6412, 7099, 11536, 12772, 12824, 14198, 22351, 23587, 25544, 25648, 28396, 44702, 47174, 49693, 51088, 56792, 89404, 94348, 99386, 113584, 165109, 178808, 188696, 198772, 330218, 357616, 377392, 397544, 660436, 731197, 795088, 1320872, 1462394, 2641744, 2924788, 5118379, 5849576, 10236758, 11699152, 20473516, 40947032, 81894064]

約数ペア:

[(1, 81894064), (2, 40947032), (4, 20473516), (7, 11699152), (8, 10236758), (14, 5849576), (16, 5118379), (28, 2924788), (31, 2641744), (56, 1462394), (62, 1320872), (103, 795088), (112, 731197), (124, 660436), (206, 397544), (217, 377392), (229, 357616), (248, 330218), (412, 198772), (434, 188696), (458, 178808), (496, 165109), (721, 113584), (824, 99386), (868, 94348), (916, 89404), (1442, 56792), (1603, 51088), (1648, 49693), (1736, 47174), (1832, 44702), (2884, 28396), (3193, 25648), (3206, 25544), (3472, 23587), (3664, 22351), (5768, 14198), (6386, 12824), (6412, 12772), (7099, 11536)]