247659184

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{39791}}^1$

素因数の和:40188

約数の個数: 20

約数和(自身を含む): 481085280

約数和(自身を除く): 233426096

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 6224, 39791, 79582, 159164, 318328, 636656, 15478699, 30957398, 61914796, 123829592, 247659184]

約数ペア:

[(1, 247659184), (2, 123829592), (4, 61914796), (8, 30957398), (16, 15478699), (389, 636656), (778, 318328), (1556, 159164), (3112, 79582), (6224, 39791)]