2788157071

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{2677}}^1$

素因数の和:2935

約数の個数: 32

約数和(自身を含む): 3455262720

約数和(自身を除く): 667105649

約数列:

[1, 7, 19, 41, 133, 191, 287, 779, 1337, 2677, 3629, 5453, 7831, 18739, 25403, 50863, 54817, 109757, 148789, 356041, 511307, 768299, 1041523, 2085383, 3579149, 9714833, 14597681, 20963587, 68003831, 146745109, 398308153, 2788157071]

約数ペア:

[(1, 2788157071), (7, 398308153), (19, 146745109), (41, 68003831), (133, 20963587), (191, 14597681), (287, 9714833), (779, 3579149), (1337, 2085383), (2677, 1041523), (3629, 768299), (5453, 511307), (7831, 356041), (18739, 148789), (25403, 109757), (50863, 54817)]