142956247

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{2749}}^1$

素因数の和:2815

約数の個数: 32

約数和(自身を含む): 190080000

約数和(自身を除く): 47123753

約数列:

[1, 7, 17, 19, 23, 119, 133, 161, 323, 391, 437, 2261, 2737, 2749, 3059, 7429, 19243, 46733, 52003, 52231, 63227, 327131, 365617, 442589, 887927, 1074859, 1201313, 6215489, 7524013, 8409191, 20422321, 142956247]

約数ペア:

[(1, 142956247), (7, 20422321), (17, 8409191), (19, 7524013), (23, 6215489), (119, 1201313), (133, 1074859), (161, 887927), (323, 442589), (391, 365617), (437, 327131), (2261, 63227), (2737, 52231), (2749, 52003), (3059, 46733), (7429, 19243)]