81134564

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{443}}^1$

素因数の和:696

約数の個数: 48

約数和(自身を含む): 168677376

約数和(自身を除く): 87542812

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 211, 217, 422, 434, 443, 844, 868, 886, 1477, 1772, 2954, 3101, 5908, 6202, 6541, 12404, 13082, 13733, 26164, 27466, 45787, 54932, 91574, 93473, 96131, 183148, 186946, 192262, 373892, 384524, 654311, 1308622, 2617244, 2897663, 5795326, 11590652, 20283641, 40567282, 81134564]

約数ペア:

[(1, 81134564), (2, 40567282), (4, 20283641), (7, 11590652), (14, 5795326), (28, 2897663), (31, 2617244), (62, 1308622), (124, 654311), (211, 384524), (217, 373892), (422, 192262), (434, 186946), (443, 183148), (844, 96131), (868, 93473), (886, 91574), (1477, 54932), (1772, 45787), (2954, 27466), (3101, 26164), (5908, 13733), (6202, 13082), (6541, 12404)]