1388790712

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{9136781}}^1$

素因数の和:9136806

約数の個数: 16

約数和(自身を含む): 2741034600

約数和(自身を除く): 1352243888

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 9136781, 18273562, 36547124, 73094248, 173598839, 347197678, 694395356, 1388790712]

約数ペア:

[(1, 1388790712), (2, 694395356), (4, 347197678), (8, 173598839), (19, 73094248), (38, 36547124), (76, 18273562), (152, 9136781)]