81889136

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1049}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 196862400

約数和(自身を除く): 114973264

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 41, 56, 68, 82, 112, 119, 136, 164, 238, 272, 287, 328, 476, 574, 656, 697, 952, 1049, 1148, 1394, 1904, 2098, 2296, 2788, 4196, 4592, 4879, 5576, 7343, 8392, 9758, 11152, 14686, 16784, 17833, 19516, 29372, 35666, 39032, 43009, 58744, 71332, 78064, 86018, 117488, 124831, 142664, 172036, 249662, 285328, 301063, 344072, 499324, 602126, 688144, 731153, 998648, 1204252, 1462306, 1997296, 2408504, 2924612, 4817008, 5118071, 5849224, 10236142, 11698448, 20472284, 40944568, 81889136]

約数ペア:

[(1, 81889136), (2, 40944568), (4, 20472284), (7, 11698448), (8, 10236142), (14, 5849224), (16, 5118071), (17, 4817008), (28, 2924612), (34, 2408504), (41, 1997296), (56, 1462306), (68, 1204252), (82, 998648), (112, 731153), (119, 688144), (136, 602126), (164, 499324), (238, 344072), (272, 301063), (287, 285328), (328, 249662), (476, 172036), (574, 142664), (656, 124831), (697, 117488), (952, 86018), (1049, 78064), (1148, 71332), (1394, 58744), (1904, 43009), (2098, 39032), (2296, 35666), (2788, 29372), (4196, 19516), (4592, 17833), (4879, 16784), (5576, 14686), (7343, 11152), (8392, 9758)]