81161264

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{1303}}^1$

素因数の和:1557

約数の個数: 40

約数和(自身を含む): 167355360

約数和(自身を除く): 86194096

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 229, 272, 458, 916, 1303, 1832, 2606, 3664, 3893, 5212, 7786, 10424, 15572, 20848, 22151, 31144, 44302, 62288, 88604, 177208, 298387, 354416, 596774, 1193548, 2387096, 4774192, 5072579, 10145158, 20290316, 40580632, 81161264]

約数ペア:

[(1, 81161264), (2, 40580632), (4, 20290316), (8, 10145158), (16, 5072579), (17, 4774192), (34, 2387096), (68, 1193548), (136, 596774), (229, 354416), (272, 298387), (458, 177208), (916, 88604), (1303, 62288), (1832, 44302), (2606, 31144), (3664, 22151), (3893, 20848), (5212, 15572), (7786, 10424)]