209730905

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{509}}^1\times {\mathrm{3583}}^1$

素因数の和:4120

約数の個数: 16

約数和(自身を含む): 263208960

約数和(自身を除く): 53478055

約数列:

[1, 5, 23, 115, 509, 2545, 3583, 11707, 17915, 58535, 82409, 412045, 1823747, 9118735, 41946181, 209730905]

約数ペア:

[(1, 209730905), (5, 41946181), (23, 9118735), (115, 1823747), (509, 412045), (2545, 82409), (3583, 58535), (11707, 17915)]