1304155

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{229}}^1$

素因数の和:318

約数の個数: 16

約数和(自身を含む): 1689120

約数和(自身を除く): 384965

約数列:

[1, 5, 17, 67, 85, 229, 335, 1139, 1145, 3893, 5695, 15343, 19465, 76715, 260831, 1304155]

約数ペア:

[(1, 1304155), (5, 260831), (17, 76715), (67, 19465), (85, 15343), (229, 5695), (335, 3893), (1139, 1145)]