399361930

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{293}}^1\times {\mathrm{12391}}^1$

素因数の和:12702

約数の個数: 32

約数和(自身を含む): 786941568

約数和(自身を除く): 387579638

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 293, 586, 1465, 2930, 3223, 6446, 12391, 16115, 24782, 32230, 61955, 123910, 136301, 272602, 681505, 1363010, 3630563, 7261126, 18152815, 36305630, 39936193, 79872386, 199680965, 399361930]

約数ペア:

[(1, 399361930), (2, 199680965), (5, 79872386), (10, 39936193), (11, 36305630), (22, 18152815), (55, 7261126), (110, 3630563), (293, 1363010), (586, 681505), (1465, 272602), (2930, 136301), (3223, 123910), (6446, 61955), (12391, 32230), (16115, 24782)]