172838215

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{12421}}^1$

素因数の和:12471

約数の個数: 24

約数和(自身を含む): 237906144

約数和(自身を除く): 65067929

約数列:

[1, 5, 11, 23, 55, 115, 121, 253, 605, 1265, 2783, 12421, 13915, 62105, 136631, 285683, 683155, 1428415, 1502941, 3142513, 7514705, 15712565, 34567643, 172838215]

約数ペア:

[(1, 172838215), (5, 34567643), (11, 15712565), (23, 7514705), (55, 3142513), (115, 1502941), (121, 1428415), (253, 683155), (605, 285683), (1265, 136631), (2783, 62105), (12421, 13915)]