52780208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{253751}}^1$

素因数の和:253772

約数の個数: 20

約数和(自身を含む): 110128368

約数和(自身を除く): 57348160

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 253751, 507502, 1015004, 2030008, 3298763, 4060016, 6597526, 13195052, 26390104, 52780208]

約数ペア:

[(1, 52780208), (2, 26390104), (4, 13195052), (8, 6597526), (13, 4060016), (16, 3298763), (26, 2030008), (52, 1015004), (104, 507502), (208, 253751)]