215511748

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{21491}}^1$

素因数の和:21627

約数の個数: 24

約数和(自身を含む): 397172160

約数和(自身を除く): 181660412

約数列:

[1, 2, 4, 23, 46, 92, 109, 218, 436, 2507, 5014, 10028, 21491, 42982, 85964, 494293, 988586, 1977172, 2342519, 4685038, 9370076, 53877937, 107755874, 215511748]

約数ペア:

[(1, 215511748), (2, 107755874), (4, 53877937), (23, 9370076), (46, 4685038), (92, 2342519), (109, 1977172), (218, 988586), (436, 494293), (2507, 85964), (5014, 42982), (10028, 21491)]