25216578496

素因数分解:

$2^6\times {\mathrm{31}}^2\times {\mathrm{409999}}^1$

素因数の和:410073

約数の個数: 42

約数和(自身を含む): 51705510000

約数和(自身を除く): 26488931504

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 961, 992, 1922, 1984, 3844, 7688, 15376, 30752, 61504, 409999, 819998, 1639996, 3279992, 6559984, 12709969, 13119968, 25419938, 26239936, 50839876, 101679752, 203359504, 394009039, 406719008, 788018078, 813438016, 1576036156, 3152072312, 6304144624, 12608289248, 25216578496]

約数ペア:

[(1, 25216578496), (2, 12608289248), (4, 6304144624), (8, 3152072312), (16, 1576036156), (31, 813438016), (32, 788018078), (62, 406719008), (64, 394009039), (124, 203359504), (248, 101679752), (496, 50839876), (961, 26239936), (992, 25419938), (1922, 13119968), (1984, 12709969), (3844, 6559984), (7688, 3279992), (15376, 1639996), (30752, 819998), (61504, 409999)]