42990215

素因数分解:

$5^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1\times {\mathrm{709}}^1$

素因数の和:962

約数の個数: 16

約数和(自身を含む): 52721760

約数和(自身を除く): 9731545

約数列:

[1, 5, 67, 181, 335, 709, 905, 3545, 12127, 47503, 60635, 128329, 237515, 641645, 8598043, 42990215]

約数ペア:

[(1, 42990215), (5, 8598043), (67, 641645), (181, 237515), (335, 128329), (709, 60635), (905, 47503), (3545, 12127)]