4382378

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{199}}^1$

素因数の和:243

約数の個数: 48

約数和(自身を含む): 8937600

約数和(自身を除く): 4555222

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 121, 143, 154, 182, 199, 242, 286, 398, 847, 1001, 1393, 1573, 1694, 2002, 2189, 2587, 2786, 3146, 4378, 5174, 11011, 15323, 18109, 22022, 24079, 28457, 30646, 36218, 48158, 56914, 168553, 199199, 313027, 337106, 398398, 626054, 2191189, 4382378]

約数ペア:

[(1, 4382378), (2, 2191189), (7, 626054), (11, 398398), (13, 337106), (14, 313027), (22, 199199), (26, 168553), (77, 56914), (91, 48158), (121, 36218), (143, 30646), (154, 28457), (182, 24079), (199, 22022), (242, 18109), (286, 15323), (398, 11011), (847, 5174), (1001, 4378), (1393, 3146), (1573, 2786), (1694, 2587), (2002, 2189)]