628208

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 1428480

約数和(自身を除く): 800272

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 79, 112, 142, 158, 284, 316, 497, 553, 568, 632, 994, 1106, 1136, 1264, 1988, 2212, 3976, 4424, 5609, 7952, 8848, 11218, 22436, 39263, 44872, 78526, 89744, 157052, 314104, 628208]

約数ペア:

[(1, 628208), (2, 314104), (4, 157052), (7, 89744), (8, 78526), (14, 44872), (16, 39263), (28, 22436), (56, 11218), (71, 8848), (79, 7952), (112, 5609), (142, 4424), (158, 3976), (284, 2212), (316, 1988), (497, 1264), (553, 1136), (568, 1106), (632, 994)]