28299509

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{641}}^1$

素因数の和:725

約数の個数: 24

約数和(自身を含む): 35569368

約数和(自身を除く): 7269859

約数列:

[1, 7, 17, 49, 53, 119, 371, 641, 833, 901, 2597, 4487, 6307, 10897, 31409, 33973, 44149, 76279, 237811, 533953, 577541, 1664677, 4042787, 28299509]

約数ペア:

[(1, 28299509), (7, 4042787), (17, 1664677), (49, 577541), (53, 533953), (119, 237811), (371, 76279), (641, 44149), (833, 33973), (901, 31409), (2597, 10897), (4487, 6307)]