210945259

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{457}}^1$

素因数の和:595

約数の個数: 32

約数和(自身を含む): 261697536

約数和(自身を除く): 50752277

約数列:

[1, 7, 23, 47, 61, 161, 329, 427, 457, 1081, 1403, 2867, 3199, 7567, 9821, 10511, 20069, 21479, 27877, 65941, 73577, 150353, 195139, 461587, 494017, 641171, 1310219, 3458119, 4488197, 9171533, 30135037, 210945259]

約数ペア:

[(1, 210945259), (7, 30135037), (23, 9171533), (47, 4488197), (61, 3458119), (161, 1310219), (329, 641171), (427, 494017), (457, 461587), (1081, 195139), (1403, 150353), (2867, 73577), (3199, 65941), (7567, 27877), (9821, 21479), (10511, 20069)]