123886384

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{407521}}^1$

素因数の和:407548

約数の個数: 20

約数和(自身を含む): 252663640

約数和(自身を除く): 128777256

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 407521, 815042, 1630084, 3260168, 6520336, 7742899, 15485798, 30971596, 61943192, 123886384]

約数ペア:

[(1, 123886384), (2, 61943192), (4, 30971596), (8, 15485798), (16, 7742899), (19, 6520336), (38, 3260168), (76, 1630084), (152, 815042), (304, 407521)]