393986210

素因数分解:

$2^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{4651}}^1$

素因数の和:4898

約数の個数: 32

約数和(自身を含む): 729508032

約数和(自身を除く): 335521822

約数列:

[1, 2, 5, 10, 43, 86, 197, 215, 394, 430, 985, 1970, 4651, 8471, 9302, 16942, 23255, 42355, 46510, 84710, 199993, 399986, 916247, 999965, 1832494, 1999930, 4581235, 9162470, 39398621, 78797242, 196993105, 393986210]

約数ペア:

[(1, 393986210), (2, 196993105), (5, 78797242), (10, 39398621), (43, 9162470), (86, 4581235), (197, 1999930), (215, 1832494), (394, 999965), (430, 916247), (985, 399986), (1970, 199993), (4651, 84710), (8471, 46510), (9302, 42355), (16942, 23255)]