636890401

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1\times {\mathrm{8581}}^1$

素因数の和:9072

約数の個数: 16

約数和(自身を含む): 761257728

約数和(自身を除く): 124367327

約数列:

[1, 7, 23, 161, 461, 3227, 8581, 10603, 60067, 74221, 197363, 1381541, 3955841, 27690887, 90984343, 636890401]

約数ペア:

[(1, 636890401), (7, 90984343), (23, 27690887), (161, 3955841), (461, 1381541), (3227, 197363), (8581, 74221), (10603, 60067)]