215520812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{4144631}}^1$

素因数の和:4144648

約数の個数: 12

約数和(自身を含む): 406173936

約数和(自身を除く): 190653124

約数列:

[1, 2, 4, 13, 26, 52, 4144631, 8289262, 16578524, 53880203, 107760406, 215520812]

約数ペア:

[(1, 215520812), (2, 107760406), (4, 53880203), (13, 16578524), (26, 8289262), (52, 4144631)]