279421904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{281}}^1\times {\mathrm{3271}}^1$

素因数の和:3579

約数の個数: 40

約数和(自身を含む): 572076480

約数和(自身を除く): 292654576

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 281, 304, 562, 1124, 2248, 3271, 4496, 5339, 6542, 10678, 13084, 21356, 26168, 42712, 52336, 62149, 85424, 124298, 248596, 497192, 919151, 994384, 1838302, 3676604, 7353208, 14706416, 17463869, 34927738, 69855476, 139710952, 279421904]

約数ペア:

[(1, 279421904), (2, 139710952), (4, 69855476), (8, 34927738), (16, 17463869), (19, 14706416), (38, 7353208), (76, 3676604), (152, 1838302), (281, 994384), (304, 919151), (562, 497192), (1124, 248596), (2248, 124298), (3271, 85424), (4496, 62149), (5339, 52336), (6542, 42712), (10678, 26168), (13084, 21356)]