219931448

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{1301}}^1$

素因数の和:1448

約数の個数: 64

約数和(自身を含む): 480906720

約数和(自身を除く): 260975272

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 113, 136, 187, 226, 374, 452, 748, 904, 1243, 1301, 1496, 1921, 2486, 2602, 3842, 4972, 5204, 7684, 9944, 10408, 14311, 15368, 21131, 22117, 28622, 42262, 44234, 57244, 84524, 88468, 114488, 147013, 169048, 176936, 243287, 294026, 486574, 588052, 973148, 1176104, 1617143, 1946296, 2499221, 3234286, 4998442, 6468572, 9996884, 12937144, 19993768, 27491431, 54982862, 109965724, 219931448]

約数ペア:

[(1, 219931448), (2, 109965724), (4, 54982862), (8, 27491431), (11, 19993768), (17, 12937144), (22, 9996884), (34, 6468572), (44, 4998442), (68, 3234286), (88, 2499221), (113, 1946296), (136, 1617143), (187, 1176104), (226, 973148), (374, 588052), (452, 486574), (748, 294026), (904, 243287), (1243, 176936), (1301, 169048), (1496, 147013), (1921, 114488), (2486, 88468), (2602, 84524), (3842, 57244), (4972, 44234), (5204, 42262), (7684, 28622), (9944, 22117), (10408, 21131), (14311, 15368)]