6440161

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1$

素因数の和:241

約数の個数: 32

約数和(自身を含む): 8805888

約数和(自身を除く): 2365727

約数列:

[1, 7, 13, 17, 23, 91, 119, 161, 181, 221, 299, 391, 1267, 1547, 2093, 2353, 2737, 3077, 4163, 5083, 16471, 21539, 29141, 35581, 40001, 54119, 70771, 280007, 378833, 495397, 920023, 6440161]

約数ペア:

[(1, 6440161), (7, 920023), (13, 495397), (17, 378833), (23, 280007), (91, 70771), (119, 54119), (161, 40001), (181, 35581), (221, 29141), (299, 21539), (391, 16471), (1267, 5083), (1547, 4163), (2093, 3077), (2353, 2737)]