209988913

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{2713}}^1$

素因数の和:2916

約数の個数: 16

約数和(自身を含む): 231558480

約数和(自身を除く): 21569567

約数列:

[1, 17, 29, 157, 493, 2669, 2713, 4553, 46121, 77401, 78677, 425941, 1337509, 7240997, 12352289, 209988913]

約数ペア:

[(1, 209988913), (17, 12352289), (29, 7240997), (157, 1337509), (493, 425941), (2669, 78677), (2713, 77401), (4553, 46121)]