12891010

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{117191}}^1$

素因数の和:117209

約数の個数: 16

約数和(自身を含む): 25313472

約数和(自身を除く): 12422462

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 117191, 234382, 585955, 1171910, 1289101, 2578202, 6445505, 12891010]

約数ペア:

[(1, 12891010), (2, 6445505), (5, 2578202), (10, 1289101), (11, 1171910), (22, 585955), (55, 234382), (110, 117191)]