251017396

素因数分解:

$2^2\times 7^2\times {\mathrm{941}}^1\times {\mathrm{1361}}^1$

素因数の和:2320

約数の個数: 36

約数和(自身を含む): 511918596

約数和(自身を除く): 260901200

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 941, 1361, 1882, 2722, 3764, 5444, 6587, 9527, 13174, 19054, 26348, 38108, 46109, 66689, 92218, 133378, 184436, 266756, 1280701, 2561402, 5122804, 8964907, 17929814, 35859628, 62754349, 125508698, 251017396]

約数ペア:

[(1, 251017396), (2, 125508698), (4, 62754349), (7, 35859628), (14, 17929814), (28, 8964907), (49, 5122804), (98, 2561402), (196, 1280701), (941, 266756), (1361, 184436), (1882, 133378), (2722, 92218), (3764, 66689), (5444, 46109), (6587, 38108), (9527, 26348), (13174, 19054)]