201619691

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71471}}^1$

素因数の和:71522

約数の個数: 16

約数和(自身を含む): 256155648

約数和(自身を除く): 54535957

約数列:

[1, 7, 13, 31, 91, 217, 403, 2821, 71471, 500297, 929123, 2215601, 6503861, 15509207, 28802813, 201619691]

約数ペア:

[(1, 201619691), (7, 28802813), (13, 15509207), (31, 6503861), (91, 2215601), (217, 929123), (403, 500297), (2821, 71471)]