28408036

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2\times {\mathrm{167}}^1$

素因数の和:280

約数の個数: 36

約数和(自身を含む): 53428032

約数和(自身を除く): 25019996

約数列:

[1, 2, 4, 23, 43, 46, 86, 92, 167, 172, 334, 668, 989, 1849, 1978, 3698, 3841, 3956, 7181, 7396, 7682, 14362, 15364, 28724, 42527, 85054, 165163, 170108, 308783, 330326, 617566, 660652, 1235132, 7102009, 14204018, 28408036]

約数ペア:

[(1, 28408036), (2, 14204018), (4, 7102009), (23, 1235132), (43, 660652), (46, 617566), (86, 330326), (92, 308783), (167, 170108), (172, 165163), (334, 85054), (668, 42527), (989, 28724), (1849, 15364), (1978, 14362), (3698, 7682), (3841, 7396), (3956, 7181)]