71777741

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^2$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 87381504

約数和(自身を除く): 15603763

約数列:

[1, 7, 31, 53, 79, 217, 371, 553, 1643, 2449, 4187, 6241, 11501, 17143, 29309, 43687, 129797, 193471, 330773, 908579, 1354297, 2315411, 10253963, 71777741]

約数ペア:

[(1, 71777741), (7, 10253963), (31, 2315411), (53, 1354297), (79, 908579), (217, 330773), (371, 193471), (553, 129797), (1643, 43687), (2449, 29309), (4187, 17143), (6241, 11501)]