1261896988

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{775121}}^1$

素因数の和:775173

約数の個数: 24

約数和(自身を含む): 2474189424

約数和(自身を除く): 1212292436

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 814, 1628, 775121, 1550242, 3100484, 8526331, 17052662, 28679477, 34105324, 57358954, 114717908, 315474247, 630948494, 1261896988]

約数ペア:

[(1, 1261896988), (2, 630948494), (4, 315474247), (11, 114717908), (22, 57358954), (37, 34105324), (44, 28679477), (74, 17052662), (148, 8526331), (407, 3100484), (814, 1550242), (1628, 775121)]