407899978

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{89491}}^1$

素因数の和:89589

約数の個数: 16

約数和(自身を含む): 637898976

約数和(自身を除く): 229998998

約数列:

[1, 2, 43, 53, 86, 106, 2279, 4558, 89491, 178982, 3848113, 4743023, 7696226, 9486046, 203949989, 407899978]

約数ペア:

[(1, 407899978), (2, 203949989), (43, 9486046), (53, 7696226), (86, 4743023), (106, 3848113), (2279, 178982), (4558, 89491)]