1281557144

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1204471}}^1$

素因数の和:1204503

約数の個数: 32

約数和(自身を含む): 2890732800

約数和(自身を除く): 1609175656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 133, 152, 266, 532, 1064, 1204471, 2408942, 4817884, 8431297, 9635768, 16862594, 22884949, 33725188, 45769898, 67450376, 91539796, 160194643, 183079592, 320389286, 640778572, 1281557144]

約数ペア:

[(1, 1281557144), (2, 640778572), (4, 320389286), (7, 183079592), (8, 160194643), (14, 91539796), (19, 67450376), (28, 45769898), (38, 33725188), (56, 22884949), (76, 16862594), (133, 9635768), (152, 8431297), (266, 4817884), (532, 2408942), (1064, 1204471)]