1281236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{787}}^1$

素因数の和:839

約数の個数: 24

約数和(自身を含む): 2515296

約数和(自身を除く): 1234060

約数列:

[1, 2, 4, 11, 22, 37, 44, 74, 148, 407, 787, 814, 1574, 1628, 3148, 8657, 17314, 29119, 34628, 58238, 116476, 320309, 640618, 1281236]

約数ペア:

[(1, 1281236), (2, 640618), (4, 320309), (11, 116476), (22, 58238), (37, 34628), (44, 29119), (74, 17314), (148, 8657), (407, 3148), (787, 1628), (814, 1574)]