199143545

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1\times {\mathrm{15887}}^1$

素因数の和:16024

約数の個数: 16

約数和(自身を含む): 251665920

約数和(自身を除く): 52522375

約数列:

[1, 5, 23, 109, 115, 545, 2507, 12535, 15887, 79435, 365401, 1731683, 1827005, 8658415, 39828709, 199143545]

約数ペア:

[(1, 199143545), (5, 39828709), (23, 8658415), (109, 1827005), (115, 1731683), (545, 365401), (2507, 79435), (12535, 15887)]