287577008

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{853}}^1\times {\mathrm{1109}}^1$

素因数の和:1989

約数の個数: 40

約数和(自身を含む): 587722800

約数和(自身を除く): 300145792

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 853, 1109, 1706, 2218, 3412, 4436, 6824, 8872, 13648, 16207, 17744, 21071, 32414, 42142, 64828, 84284, 129656, 168568, 259312, 337136, 945977, 1891954, 3783908, 7567816, 15135632, 17973563, 35947126, 71894252, 143788504, 287577008]

約数ペア:

[(1, 287577008), (2, 143788504), (4, 71894252), (8, 35947126), (16, 17973563), (19, 15135632), (38, 7567816), (76, 3783908), (152, 1891954), (304, 945977), (853, 337136), (1109, 259312), (1706, 168568), (2218, 129656), (3412, 84284), (4436, 64828), (6824, 42142), (8872, 32414), (13648, 21071), (16207, 17744)]