338890265

素因数分解:

$5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1\times {\mathrm{421}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 472369920

約数和(自身を除く): 133479655

約数列:

[1, 5, 7, 35, 109, 211, 421, 545, 763, 1055, 1477, 2105, 2947, 3815, 7385, 14735, 22999, 45889, 88831, 114995, 160993, 229445, 321223, 444155, 621817, 804965, 1606115, 3109085, 9682579, 48412895, 67778053, 338890265]

約数ペア:

[(1, 338890265), (5, 67778053), (7, 48412895), (35, 9682579), (109, 3109085), (211, 1606115), (421, 804965), (545, 621817), (763, 444155), (1055, 321223), (1477, 229445), (2105, 160993), (2947, 114995), (3815, 88831), (7385, 45889), (14735, 22999)]