1378903915

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{306083}}^1$

素因数の和:306158

約数の個数: 16

約数和(自身を含む): 1785081888

約数和(自身を除く): 406177973

約数列:

[1, 5, 17, 53, 85, 265, 901, 4505, 306083, 1530415, 5203411, 16222399, 26017055, 81111995, 275780783, 1378903915]

約数ペア:

[(1, 1378903915), (5, 275780783), (17, 81111995), (53, 26017055), (85, 16222399), (265, 5203411), (901, 1530415), (4505, 306083)]