72512816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{238529}}^1$

素因数の和:238556

約数の個数: 20

約数和(自身を含む): 147888600

約数和(自身を除く): 75375784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 238529, 477058, 954116, 1908232, 3816464, 4532051, 9064102, 18128204, 36256408, 72512816]

約数ペア:

[(1, 72512816), (2, 36256408), (4, 18128204), (8, 9064102), (16, 4532051), (19, 3816464), (38, 1908232), (76, 954116), (152, 477058), (304, 238529)]