81856496

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{1993}}^1$

素因数の和:2169

約数の個数: 40

約数和(自身を含む): 169123104

約数和(自身を除く): 87266608

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 151, 272, 302, 604, 1208, 1993, 2416, 2567, 3986, 5134, 7972, 10268, 15944, 20536, 31888, 33881, 41072, 67762, 135524, 271048, 300943, 542096, 601886, 1203772, 2407544, 4815088, 5116031, 10232062, 20464124, 40928248, 81856496]

約数ペア:

[(1, 81856496), (2, 40928248), (4, 20464124), (8, 10232062), (16, 5116031), (17, 4815088), (34, 2407544), (68, 1203772), (136, 601886), (151, 542096), (272, 300943), (302, 271048), (604, 135524), (1208, 67762), (1993, 41072), (2416, 33881), (2567, 31888), (3986, 20536), (5134, 15944), (7972, 10268)]