15561038668

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2821073}}^1$

素因数の和:2821281

約数の個数: 24

約数和(自身を含む): 31280068512

約数和(自身を除く): 15719029844

約数列:

[1, 2, 4, 7, 14, 28, 197, 394, 788, 1379, 2758, 5516, 2821073, 5642146, 11284292, 19747511, 39495022, 78990044, 555751381, 1111502762, 2223005524, 3890259667, 7780519334, 15561038668]

約数ペア:

[(1, 15561038668), (2, 7780519334), (4, 3890259667), (7, 2223005524), (14, 1111502762), (28, 555751381), (197, 78990044), (394, 39495022), (788, 19747511), (1379, 11284292), (2758, 5642146), (5516, 2821073)]