890603992

素因数分解:

$2^3\times {\mathrm{149}}^1\times {\mathrm{211}}^1\times {\mathrm{3541}}^1$

素因数の和:3907

約数の個数: 32

約数和(自身を含む): 1689534000

約数和(自身を除く): 798930008

約数列:

[1, 2, 4, 8, 149, 211, 298, 422, 596, 844, 1192, 1688, 3541, 7082, 14164, 28328, 31439, 62878, 125756, 251512, 527609, 747151, 1055218, 1494302, 2110436, 2988604, 4220872, 5977208, 111325499, 222650998, 445301996, 890603992]

約数ペア:

[(1, 890603992), (2, 445301996), (4, 222650998), (8, 111325499), (149, 5977208), (211, 4220872), (298, 2988604), (422, 2110436), (596, 1494302), (844, 1055218), (1192, 747151), (1688, 527609), (3541, 251512), (7082, 125756), (14164, 62878), (28328, 31439)]