1581256

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:229

約数の個数: 32

約数和(自身を含む): 3182400

約数和(自身を除く): 1601144

約数列:

[1, 2, 4, 8, 19, 38, 76, 101, 103, 152, 202, 206, 404, 412, 808, 824, 1919, 1957, 3838, 3914, 7676, 7828, 10403, 15352, 15656, 20806, 41612, 83224, 197657, 395314, 790628, 1581256]

約数ペア:

[(1, 1581256), (2, 790628), (4, 395314), (8, 197657), (19, 83224), (38, 41612), (76, 20806), (101, 15656), (103, 15352), (152, 10403), (202, 7828), (206, 7676), (404, 3914), (412, 3838), (808, 1957), (824, 1919)]