28210130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{217001}}^1$

素因数の和:217021

約数の個数: 16

約数和(自身を含む): 54684504

約数和(自身を除く): 26474374

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 217001, 434002, 1085005, 2170010, 2821013, 5642026, 14105065, 28210130]

約数ペア:

[(1, 28210130), (2, 14105065), (5, 5642026), (10, 2821013), (13, 2170010), (26, 1085005), (65, 434002), (130, 217001)]