290400691

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{1213}}^1\times {\mathrm{1487}}^1$

素因数の和:2730

約数の個数: 16

約数和(自身を含む): 346834944

約数和(自身を除く): 56434253

約数列:

[1, 7, 23, 161, 1213, 1487, 8491, 10409, 27899, 34201, 195293, 239407, 1803731, 12626117, 41485813, 290400691]

約数ペア:

[(1, 290400691), (7, 41485813), (23, 12626117), (161, 1803731), (1213, 239407), (1487, 195293), (8491, 34201), (10409, 27899)]