987252308

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{819977}}^1$

素因数の和:820031

約数の個数: 24

約数和(自身を含む): 2020425792

約数和(自身を除く): 1033173484

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 172, 301, 602, 1204, 819977, 1639954, 3279908, 5739839, 11479678, 22959356, 35259011, 70518022, 141036044, 246813077, 493626154, 987252308]

約数ペア:

[(1, 987252308), (2, 493626154), (4, 246813077), (7, 141036044), (14, 70518022), (28, 35259011), (43, 22959356), (86, 11479678), (172, 5739839), (301, 3279908), (602, 1639954), (1204, 819977)]