81036416

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{167}}^1\times {\mathrm{223}}^1$

素因数の和:421

約数の個数: 64

約数和(自身を含む): 172730880

約数和(自身を除く): 91694464

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 167, 223, 272, 334, 446, 544, 668, 892, 1088, 1336, 1784, 2176, 2672, 2839, 3568, 3791, 5344, 5678, 7136, 7582, 10688, 11356, 14272, 15164, 21376, 22712, 28544, 30328, 37241, 45424, 60656, 74482, 90848, 121312, 148964, 181696, 242624, 297928, 363392, 485248, 595856, 633097, 1191712, 1266194, 2383424, 2532388, 4766848, 5064776, 10129552, 20259104, 40518208, 81036416]

約数ペア:

[(1, 81036416), (2, 40518208), (4, 20259104), (8, 10129552), (16, 5064776), (17, 4766848), (32, 2532388), (34, 2383424), (64, 1266194), (68, 1191712), (128, 633097), (136, 595856), (167, 485248), (223, 363392), (272, 297928), (334, 242624), (446, 181696), (544, 148964), (668, 121312), (892, 90848), (1088, 74482), (1336, 60656), (1784, 45424), (2176, 37241), (2672, 30328), (2839, 28544), (3568, 22712), (3791, 21376), (5344, 15164), (5678, 14272), (7136, 11356), (7582, 10688)]