778897812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{389}}^1$

素因数の和:622

約数の個数: 144

約数和(自身を含む): 2300538240

約数和(自身を除く): 1521640428

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 33, 42, 44, 66, 77, 84, 121, 132, 154, 197, 231, 242, 308, 363, 389, 394, 462, 484, 591, 726, 778, 788, 847, 924, 1167, 1182, 1379, 1452, 1556, 1694, 2167, 2334, 2364, 2541, 2723, 2758, 3388, 4137, 4279, 4334, 4668, 5082, 5446, 5516, 6501, 8169, 8274, 8558, 8668, 10164, 10892, 12837, 13002, 15169, 16338, 16548, 17116, 23837, 25674, 26004, 29953, 30338, 32676, 45507, 47069, 47674, 51348, 59906, 60676, 71511, 76633, 89859, 91014, 94138, 95348, 119812, 141207, 143022, 153266, 166859, 179718, 182028, 188276, 229899, 282414, 286044, 306532, 329483, 333718, 359436, 459798, 500577, 536431, 564828, 658966, 667436, 842963, 919596, 988449, 1001154, 1072862, 1317932, 1609293, 1685926, 1976898, 2002308, 2145724, 2528889, 3218586, 3371852, 3953796, 5057778, 5900741, 6437172, 9272593, 10115556, 11801482, 17702223, 18545186, 23602964, 27817779, 35404446, 37090372, 55635558, 64908151, 70808892, 111271116, 129816302, 194724453, 259632604, 389448906, 778897812]

約数ペア:

[(1, 778897812), (2, 389448906), (3, 259632604), (4, 194724453), (6, 129816302), (7, 111271116), (11, 70808892), (12, 64908151), (14, 55635558), (21, 37090372), (22, 35404446), (28, 27817779), (33, 23602964), (42, 18545186), (44, 17702223), (66, 11801482), (77, 10115556), (84, 9272593), (121, 6437172), (132, 5900741), (154, 5057778), (197, 3953796), (231, 3371852), (242, 3218586), (308, 2528889), (363, 2145724), (389, 2002308), (394, 1976898), (462, 1685926), (484, 1609293), (591, 1317932), (726, 1072862), (778, 1001154), (788, 988449), (847, 919596), (924, 842963), (1167, 667436), (1182, 658966), (1379, 564828), (1452, 536431), (1556, 500577), (1694, 459798), (2167, 359436), (2334, 333718), (2364, 329483), (2541, 306532), (2723, 286044), (2758, 282414), (3388, 229899), (4137, 188276), (4279, 182028), (4334, 179718), (4668, 166859), (5082, 153266), (5446, 143022), (5516, 141207), (6501, 119812), (8169, 95348), (8274, 94138), (8558, 91014), (8668, 89859), (10164, 76633), (10892, 71511), (12837, 60676), (13002, 59906), (15169, 51348), (16338, 47674), (16548, 47069), (17116, 45507), (23837, 32676), (25674, 30338), (26004, 29953)]