42216245

素因数分解:

$5^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{1091}}^1$

素因数の和:1276

約数の個数: 16

約数和(自身を含む): 51891840

約数和(自身を除く): 9675595

約数列:

[1, 5, 71, 109, 355, 545, 1091, 5455, 7739, 38695, 77461, 118919, 387305, 594595, 8443249, 42216245]

約数ペア:

[(1, 42216245), (5, 8443249), (71, 594595), (109, 387305), (355, 118919), (545, 77461), (1091, 38695), (5455, 7739)]