221202788

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{907}}^1\times {\mathrm{3209}}^1$

素因数の和:4139

約数の個数: 24

約数和(自身を含む): 408055200

約数和(自身を除く): 186852412

約数列:

[1, 2, 4, 19, 38, 76, 907, 1814, 3209, 3628, 6418, 12836, 17233, 34466, 60971, 68932, 121942, 243884, 2910563, 5821126, 11642252, 55300697, 110601394, 221202788]

約数ペア:

[(1, 221202788), (2, 110601394), (4, 55300697), (19, 11642252), (38, 5821126), (76, 2910563), (907, 243884), (1814, 121942), (3209, 68932), (3628, 60971), (6418, 34466), (12836, 17233)]