251241648

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{747743}}^1$

素因数の和:747761

約数の個数: 40

約数和(自身を含む): 741762048

約数和(自身を除く): 490520400

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 747743, 1495486, 2243229, 2990972, 4486458, 5234201, 5981944, 8972916, 10468402, 11963888, 15702603, 17945832, 20936804, 31405206, 35891664, 41873608, 62810412, 83747216, 125620824, 251241648]

約数ペア:

[(1, 251241648), (2, 125620824), (3, 83747216), (4, 62810412), (6, 41873608), (7, 35891664), (8, 31405206), (12, 20936804), (14, 17945832), (16, 15702603), (21, 11963888), (24, 10468402), (28, 8972916), (42, 5981944), (48, 5234201), (56, 4486458), (84, 2990972), (112, 2243229), (168, 1495486), (336, 747743)]