219312965

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1\times {\mathrm{3571}}^1$

素因数の和:3820

約数の個数: 16

約数和(自身を含む): 268500096

約数和(自身を除く): 49187131

約数列:

[1, 5, 71, 173, 355, 865, 3571, 12283, 17855, 61415, 253541, 617783, 1267705, 3088915, 43862593, 219312965]

約数ペア:

[(1, 219312965), (5, 43862593), (71, 3088915), (173, 1267705), (355, 617783), (865, 253541), (3571, 61415), (12283, 17855)]