30991198

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{76333}}^1$

素因数の和:76371

約数の個数: 16

約数和(自身を含む): 54960480

約数和(自身を除く): 23969282

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 76333, 152666, 534331, 1068662, 2213657, 4427314, 15495599, 30991198]

約数ペア:

[(1, 30991198), (2, 15495599), (7, 4427314), (14, 2213657), (29, 1068662), (58, 534331), (203, 152666), (406, 76333)]