278708135

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{78179}}^1$

素因数の和:78238

約数の個数: 16

約数和(自身を含む): 360253440

約数和(自身を除く): 81545305

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 78179, 390895, 1798117, 2423549, 8990585, 12117745, 55741627, 278708135]

約数ペア:

[(1, 278708135), (5, 55741627), (23, 12117745), (31, 8990585), (115, 2423549), (155, 1798117), (713, 390895), (3565, 78179)]