1971821579615

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{84140029}}^1$

素因数の和:84140186

約数の個数: 16

約数和(自身を含む): 2443426471200

約数和(自身を除く): 471604891585

約数列:

[1, 5, 43, 109, 215, 545, 4687, 23435, 84140029, 420700145, 3618021247, 9171263161, 18090106235, 45856315805, 394364315923, 1971821579615]

約数ペア:

[(1, 1971821579615), (5, 394364315923), (43, 45856315805), (109, 18090106235), (215, 9171263161), (545, 3618021247), (4687, 420700145), (23435, 84140029)]