664751346

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{28621}}^1$

素因数の和:28719

約数の個数: 48

約数和(自身を含む): 1566195840

約数和(自身を除く): 901444494

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 79, 98, 147, 158, 237, 294, 474, 553, 1106, 1659, 3318, 3871, 7742, 11613, 23226, 28621, 57242, 85863, 171726, 200347, 400694, 601041, 1202082, 1402429, 2261059, 2804858, 4207287, 4522118, 6783177, 8414574, 13566354, 15827413, 31654826, 47482239, 94964478, 110791891, 221583782, 332375673, 664751346]

約数ペア:

[(1, 664751346), (2, 332375673), (3, 221583782), (6, 110791891), (7, 94964478), (14, 47482239), (21, 31654826), (42, 15827413), (49, 13566354), (79, 8414574), (98, 6783177), (147, 4522118), (158, 4207287), (237, 2804858), (294, 2261059), (474, 1402429), (553, 1202082), (1106, 601041), (1659, 400694), (3318, 200347), (3871, 171726), (7742, 85863), (11613, 57242), (23226, 28621)]