72281168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{237767}}^1$

素因数の和:237794

約数の個数: 20

約数和(自身を含む): 147416160

約数和(自身を除く): 75134992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 237767, 475534, 951068, 1902136, 3804272, 4517573, 9035146, 18070292, 36140584, 72281168]

約数ペア:

[(1, 72281168), (2, 36140584), (4, 18070292), (8, 9035146), (16, 4517573), (19, 3804272), (38, 1902136), (76, 951068), (152, 475534), (304, 237767)]