678126813

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{947}}^1$

素因数の和:1074

約数の個数: 64

約数和(自身を含む): 1158592512

約数和(自身を除く): 480465699

約数列:

[1, 3, 7, 13, 21, 39, 43, 61, 91, 129, 183, 273, 301, 427, 559, 793, 903, 947, 1281, 1677, 2379, 2623, 2841, 3913, 5551, 6629, 7869, 11739, 12311, 16653, 18361, 19887, 34099, 36933, 40721, 55083, 57767, 86177, 102297, 122163, 173301, 238693, 258531, 285047, 404369, 529373, 716079, 750971, 855141, 1213107, 1588119, 2252913, 2483981, 3705611, 5256797, 7451943, 11116833, 15770391, 17387867, 32291753, 52163601, 96875259, 226042271, 678126813]

約数ペア:

[(1, 678126813), (3, 226042271), (7, 96875259), (13, 52163601), (21, 32291753), (39, 17387867), (43, 15770391), (61, 11116833), (91, 7451943), (129, 5256797), (183, 3705611), (273, 2483981), (301, 2252913), (427, 1588119), (559, 1213107), (793, 855141), (903, 750971), (947, 716079), (1281, 529373), (1677, 404369), (2379, 285047), (2623, 258531), (2841, 238693), (3913, 173301), (5551, 122163), (6629, 102297), (7869, 86177), (11739, 57767), (12311, 55083), (16653, 40721), (18361, 36933), (19887, 34099)]