81881436

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{449}}^1$

素因数の和:643

約数の個数: 96

約数和(自身を含む): 237081600

約数和(自身を除く): 155200164

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 167, 182, 273, 334, 364, 449, 501, 546, 668, 898, 1002, 1092, 1169, 1347, 1796, 2004, 2171, 2338, 2694, 3143, 3507, 4342, 4676, 5388, 5837, 6286, 6513, 7014, 8684, 9429, 11674, 12572, 13026, 14028, 15197, 17511, 18858, 23348, 26052, 30394, 35022, 37716, 40859, 45591, 60788, 70044, 74983, 81718, 91182, 122577, 149966, 163436, 182364, 224949, 245154, 299932, 449898, 490308, 524881, 899796, 974779, 1049762, 1574643, 1949558, 2099524, 2924337, 3149286, 3899116, 5848674, 6298572, 6823453, 11697348, 13646906, 20470359, 27293812, 40940718, 81881436]

約数ペア:

[(1, 81881436), (2, 40940718), (3, 27293812), (4, 20470359), (6, 13646906), (7, 11697348), (12, 6823453), (13, 6298572), (14, 5848674), (21, 3899116), (26, 3149286), (28, 2924337), (39, 2099524), (42, 1949558), (52, 1574643), (78, 1049762), (84, 974779), (91, 899796), (156, 524881), (167, 490308), (182, 449898), (273, 299932), (334, 245154), (364, 224949), (449, 182364), (501, 163436), (546, 149966), (668, 122577), (898, 91182), (1002, 81718), (1092, 74983), (1169, 70044), (1347, 60788), (1796, 45591), (2004, 40859), (2171, 37716), (2338, 35022), (2694, 30394), (3143, 26052), (3507, 23348), (4342, 18858), (4676, 17511), (5388, 15197), (5837, 14028), (6286, 13026), (6513, 12572), (7014, 11674), (8684, 9429)]