2051989919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{5647}}^1$

素因数の和:5775

約数の個数: 32

約数和(自身を含む): 2554884096

約数和(自身を除く): 502894177

約数列:

[1, 7, 23, 37, 61, 161, 259, 427, 851, 1403, 2257, 5647, 5957, 9821, 15799, 39529, 51911, 129881, 208939, 344467, 363377, 909167, 1462573, 2411269, 4805597, 7922741, 12745279, 33639179, 55459187, 89216953, 293141417, 2051989919]

約数ペア:

[(1, 2051989919), (7, 293141417), (23, 89216953), (37, 55459187), (61, 33639179), (161, 12745279), (259, 7922741), (427, 4805597), (851, 2411269), (1403, 1462573), (2257, 909167), (5647, 363377), (5957, 344467), (9821, 208939), (15799, 129881), (39529, 51911)]