7430254

素因数分解:

$2^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:149

約数の個数: 32

約数和(自身を含む): 12852000

約数和(自身を除く): 5421746

約数列:

[1, 2, 13, 19, 26, 38, 89, 169, 178, 247, 338, 494, 1157, 1691, 2197, 2314, 3211, 3382, 4394, 6422, 15041, 21983, 30082, 41743, 43966, 83486, 195533, 285779, 391066, 571558, 3715127, 7430254]

約数ペア:

[(1, 7430254), (2, 3715127), (13, 571558), (19, 391066), (26, 285779), (38, 195533), (89, 83486), (169, 43966), (178, 41743), (247, 30082), (338, 21983), (494, 15041), (1157, 6422), (1691, 4394), (2197, 3382), (2314, 3211)]