209091505

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1231}}^1$

素因数の和:1477

約数の個数: 32

約数和(自身を含む): 300883968

約数和(自身を除く): 91792463

約数列:

[1, 5, 7, 23, 35, 115, 161, 211, 805, 1055, 1231, 1477, 4853, 6155, 7385, 8617, 24265, 28313, 33971, 43085, 141565, 169855, 198191, 259741, 990955, 1298705, 1818187, 5974043, 9090935, 29870215, 41818301, 209091505]

約数ペア:

[(1, 209091505), (5, 41818301), (7, 29870215), (23, 9090935), (35, 5974043), (115, 1818187), (161, 1298705), (211, 990955), (805, 259741), (1055, 198191), (1231, 169855), (1477, 141565), (4853, 43085), (6155, 33971), (7385, 28313), (8617, 24265)]