15641242561

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{17851}}^1$

素因数の和:18013

約数の個数: 32

約数和(自身を含む): 19002525696

約数和(自身を除く): 3361283135

約数列:

[1, 7, 41, 43, 71, 287, 301, 497, 1763, 2911, 3053, 12341, 17851, 20377, 21371, 124957, 125173, 731891, 767593, 876211, 1267421, 5123237, 5373151, 8871947, 31471313, 51964261, 54499103, 220299191, 363749827, 381493721, 2234463223, 15641242561]

約数ペア:

[(1, 15641242561), (7, 2234463223), (41, 381493721), (43, 363749827), (71, 220299191), (287, 54499103), (301, 51964261), (497, 31471313), (1763, 8871947), (2911, 5373151), (3053, 5123237), (12341, 1267421), (17851, 876211), (20377, 767593), (21371, 731891), (124957, 125173)]