161321569409

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{521}}^1\times {\mathrm{1709}}^1$

素因数の和:2442

約数の個数: 64

約数和(自身を含む): 218341992960

約数和(自身を除く): 57020423551

約数列:

[1, 7, 11, 13, 77, 91, 143, 181, 521, 1001, 1267, 1709, 1991, 2353, 3647, 5731, 6773, 11963, 13937, 16471, 18799, 22217, 25883, 40117, 47411, 74503, 94301, 131593, 155519, 181181, 244387, 309329, 521521, 660107, 890389, 1037311, 1225913, 1710709, 2165303, 3402619, 4021277, 6232723, 7261177, 8581391, 9794279, 11575057, 13485043, 23818333, 28148939, 44234047, 68559953, 81025399, 94395301, 127325627, 161160409, 309638329, 891279389, 1128122863, 1772764499, 2095085317, 12409351493, 14665597219, 23045938487, 161321569409]

約数ペア:

[(1, 161321569409), (7, 23045938487), (11, 14665597219), (13, 12409351493), (77, 2095085317), (91, 1772764499), (143, 1128122863), (181, 891279389), (521, 309638329), (1001, 161160409), (1267, 127325627), (1709, 94395301), (1991, 81025399), (2353, 68559953), (3647, 44234047), (5731, 28148939), (6773, 23818333), (11963, 13485043), (13937, 11575057), (16471, 9794279), (18799, 8581391), (22217, 7261177), (25883, 6232723), (40117, 4021277), (47411, 3402619), (74503, 2165303), (94301, 1710709), (131593, 1225913), (155519, 1037311), (181181, 890389), (244387, 660107), (309329, 521521)]