71321997383

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3611789}}^1$

素因数の和:3611847

約数の個数: 24

約数和(自身を含む): 92230669440

約数和(自身を除く): 20908672057

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 637, 1519, 2821, 19747, 3611789, 25282523, 46953257, 111965459, 176977661, 328672799, 783758213, 1455550967, 2300709593, 5486307491, 10188856769, 71321997383]

約数ペア:

[(1, 71321997383), (7, 10188856769), (13, 5486307491), (31, 2300709593), (49, 1455550967), (91, 783758213), (217, 328672799), (403, 176977661), (637, 111965459), (1519, 46953257), (2821, 25282523), (19747, 3611789)]