81730572

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{449}}^1$

素因数の和:671

約数の個数: 96

約数和(自身を含む): 239500800

約数和(自身を除く): 157770228

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 132, 154, 197, 231, 308, 394, 449, 462, 591, 788, 898, 924, 1182, 1347, 1379, 1796, 2167, 2364, 2694, 2758, 3143, 4137, 4334, 4939, 5388, 5516, 6286, 6501, 8274, 8668, 9429, 9878, 12572, 13002, 14817, 15169, 16548, 18858, 19756, 26004, 29634, 30338, 34573, 37716, 45507, 59268, 60676, 69146, 88453, 91014, 103719, 138292, 176906, 182028, 207438, 265359, 353812, 414876, 530718, 619171, 972983, 1061436, 1238342, 1857513, 1945966, 2476684, 2918949, 3715026, 3891932, 5837898, 6810881, 7430052, 11675796, 13621762, 20432643, 27243524, 40865286, 81730572]

約数ペア:

[(1, 81730572), (2, 40865286), (3, 27243524), (4, 20432643), (6, 13621762), (7, 11675796), (11, 7430052), (12, 6810881), (14, 5837898), (21, 3891932), (22, 3715026), (28, 2918949), (33, 2476684), (42, 1945966), (44, 1857513), (66, 1238342), (77, 1061436), (84, 972983), (132, 619171), (154, 530718), (197, 414876), (231, 353812), (308, 265359), (394, 207438), (449, 182028), (462, 176906), (591, 138292), (788, 103719), (898, 91014), (924, 88453), (1182, 69146), (1347, 60676), (1379, 59268), (1796, 45507), (2167, 37716), (2364, 34573), (2694, 30338), (2758, 29634), (3143, 26004), (4137, 19756), (4334, 18858), (4939, 16548), (5388, 15169), (5516, 14817), (6286, 13002), (6501, 12572), (8274, 9878), (8668, 9429)]