86991310

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{65407}}^1$

素因数の和:65440

約数の個数: 32

約数和(自身を含む): 188375040

約数和(自身を除く): 101383730

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 665, 1330, 65407, 130814, 327035, 457849, 654070, 915698, 1242733, 2289245, 2485466, 4578490, 6213665, 8699131, 12427330, 17398262, 43495655, 86991310]

約数ペア:

[(1, 86991310), (2, 43495655), (5, 17398262), (7, 12427330), (10, 8699131), (14, 6213665), (19, 4578490), (35, 2485466), (38, 2289245), (70, 1242733), (95, 915698), (133, 654070), (190, 457849), (266, 327035), (665, 130814), (1330, 65407)]