81877576

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{239}}^1$

素因数の和:502

約数の個数: 64

約数和(自身を含む): 178848000

約数和(自身を除く): 96970424

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 136, 187, 229, 239, 374, 458, 478, 748, 916, 956, 1496, 1832, 1912, 2519, 2629, 3893, 4063, 5038, 5258, 7786, 8126, 10076, 10516, 15572, 16252, 20152, 21032, 31144, 32504, 42823, 44693, 54731, 85646, 89386, 109462, 171292, 178772, 218924, 342584, 357544, 437848, 602041, 930427, 1204082, 1860854, 2408164, 3721708, 4816328, 7443416, 10234697, 20469394, 40938788, 81877576]

約数ペア:

[(1, 81877576), (2, 40938788), (4, 20469394), (8, 10234697), (11, 7443416), (17, 4816328), (22, 3721708), (34, 2408164), (44, 1860854), (68, 1204082), (88, 930427), (136, 602041), (187, 437848), (229, 357544), (239, 342584), (374, 218924), (458, 178772), (478, 171292), (748, 109462), (916, 89386), (956, 85646), (1496, 54731), (1832, 44693), (1912, 42823), (2519, 32504), (2629, 31144), (3893, 21032), (4063, 20152), (5038, 16252), (5258, 15572), (7786, 10516), (8126, 10076)]