258115

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2$

素因数の和:67

約数の個数: 24

約数和(自身を含む): 384048

約数和(自身を除く): 125933

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 209, 247, 361, 715, 1045, 1235, 1805, 2717, 3971, 4693, 13585, 19855, 23465, 51623, 258115]

約数ペア:

[(1, 258115), (5, 51623), (11, 23465), (13, 19855), (19, 13585), (55, 4693), (65, 3971), (95, 2717), (143, 1805), (209, 1235), (247, 1045), (361, 715)]