12258890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2399}}^1$

素因数の和:2486

約数の個数: 32

約数和(自身を含む): 25574400

約数和(自身を除く): 13315510

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 73, 146, 365, 511, 730, 1022, 2399, 2555, 4798, 5110, 11995, 16793, 23990, 33586, 83965, 167930, 175127, 350254, 875635, 1225889, 1751270, 2451778, 6129445, 12258890]

約数ペア:

[(1, 12258890), (2, 6129445), (5, 2451778), (7, 1751270), (10, 1225889), (14, 875635), (35, 350254), (70, 175127), (73, 167930), (146, 83965), (365, 33586), (511, 23990), (730, 16793), (1022, 11995), (2399, 5110), (2555, 4798)]