1640200078

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1\times {\mathrm{8219}}^1$

素因数の和:8472

約数の個数: 32

約数和(自身を含む): 2755607040

約数和(自身を除く): 1115406962

約数列:

[1, 2, 11, 22, 47, 94, 193, 386, 517, 1034, 2123, 4246, 8219, 9071, 16438, 18142, 90409, 99781, 180818, 199562, 386293, 772586, 1586267, 3172534, 4249223, 8498446, 17448937, 34897874, 74554549, 149109098, 820100039, 1640200078]

約数ペア:

[(1, 1640200078), (2, 820100039), (11, 149109098), (22, 74554549), (47, 34897874), (94, 17448937), (193, 8498446), (386, 4249223), (517, 3172534), (1034, 1586267), (2123, 772586), (4246, 386293), (8219, 199562), (9071, 180818), (16438, 99781), (18142, 90409)]