200640646

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{479}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 323942400

約数和(自身を除く): 123301754

約数列:

[1, 2, 19, 38, 73, 146, 151, 302, 479, 958, 1387, 2774, 2869, 5738, 9101, 11023, 18202, 22046, 34967, 69934, 72329, 144658, 209437, 418874, 664373, 1328746, 1374251, 2748502, 5280017, 10560034, 100320323, 200640646]

約数ペア:

[(1, 200640646), (2, 100320323), (19, 10560034), (38, 5280017), (73, 2748502), (146, 1374251), (151, 1328746), (302, 664373), (479, 418874), (958, 209437), (1387, 144658), (2774, 72329), (2869, 69934), (5738, 34967), (9101, 22046), (11023, 18202)]