1809808

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1$

素因数の和:152

約数の個数: 80

約数和(自身を含む): 4749696

約数和(自身を除く): 2939888

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 44, 52, 56, 77, 88, 91, 104, 112, 113, 143, 154, 176, 182, 208, 226, 286, 308, 364, 452, 572, 616, 728, 791, 904, 1001, 1144, 1232, 1243, 1456, 1469, 1582, 1808, 2002, 2288, 2486, 2938, 3164, 4004, 4972, 5876, 6328, 8008, 8701, 9944, 10283, 11752, 12656, 16016, 16159, 17402, 19888, 20566, 23504, 32318, 34804, 41132, 64636, 69608, 82264, 113113, 129272, 139216, 164528, 226226, 258544, 452452, 904904, 1809808]

約数ペア:

[(1, 1809808), (2, 904904), (4, 452452), (7, 258544), (8, 226226), (11, 164528), (13, 139216), (14, 129272), (16, 113113), (22, 82264), (26, 69608), (28, 64636), (44, 41132), (52, 34804), (56, 32318), (77, 23504), (88, 20566), (91, 19888), (104, 17402), (112, 16159), (113, 16016), (143, 12656), (154, 11752), (176, 10283), (182, 9944), (208, 8701), (226, 8008), (286, 6328), (308, 5876), (364, 4972), (452, 4004), (572, 3164), (616, 2938), (728, 2486), (791, 2288), (904, 2002), (1001, 1808), (1144, 1582), (1232, 1469), (1243, 1456)]