209161836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{1109}}^1$

素因数の和:1176

約数の個数: 108

約数和(自身を含む): 591514560

約数和(自身を除く): 382352724

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 169, 186, 234, 279, 338, 372, 403, 468, 507, 558, 676, 806, 1014, 1109, 1116, 1209, 1521, 1612, 2028, 2218, 2418, 3042, 3327, 3627, 4436, 4836, 5239, 6084, 6654, 7254, 9981, 10478, 13308, 14417, 14508, 15717, 19962, 20956, 28834, 31434, 34379, 39924, 43251, 47151, 57668, 62868, 68758, 86502, 94302, 103137, 129753, 137516, 173004, 187421, 188604, 206274, 259506, 309411, 374842, 412548, 446927, 519012, 562263, 618822, 749684, 893854, 1124526, 1237644, 1340781, 1686789, 1787708, 2249052, 2681562, 3373578, 4022343, 5363124, 5810051, 6747156, 8044686, 11620102, 16089372, 17430153, 23240204, 34860306, 52290459, 69720612, 104580918, 209161836]

約数ペア:

[(1, 209161836), (2, 104580918), (3, 69720612), (4, 52290459), (6, 34860306), (9, 23240204), (12, 17430153), (13, 16089372), (18, 11620102), (26, 8044686), (31, 6747156), (36, 5810051), (39, 5363124), (52, 4022343), (62, 3373578), (78, 2681562), (93, 2249052), (117, 1787708), (124, 1686789), (156, 1340781), (169, 1237644), (186, 1124526), (234, 893854), (279, 749684), (338, 618822), (372, 562263), (403, 519012), (468, 446927), (507, 412548), (558, 374842), (676, 309411), (806, 259506), (1014, 206274), (1109, 188604), (1116, 187421), (1209, 173004), (1521, 137516), (1612, 129753), (2028, 103137), (2218, 94302), (2418, 86502), (3042, 68758), (3327, 62868), (3627, 57668), (4436, 47151), (4836, 43251), (5239, 39924), (6084, 34379), (6654, 31434), (7254, 28834), (9981, 20956), (10478, 19962), (13308, 15717), (14417, 14508)]