681592318

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{631}}^1\times {\mathrm{1327}}^1$

素因数の和:2008

約数の個数: 32

約数和(自身を含む): 1148156928

約数和(自身を除く): 466564610

約数列:

[1, 2, 11, 22, 37, 74, 407, 631, 814, 1262, 1327, 2654, 6941, 13882, 14597, 23347, 29194, 46694, 49099, 98198, 256817, 513634, 540089, 837337, 1080178, 1674674, 9210707, 18421414, 30981469, 61962938, 340796159, 681592318]

約数ペア:

[(1, 681592318), (2, 340796159), (11, 61962938), (22, 30981469), (37, 18421414), (74, 9210707), (407, 1674674), (631, 1080178), (814, 837337), (1262, 540089), (1327, 513634), (2654, 256817), (6941, 98198), (13882, 49099), (14597, 46694), (23347, 29194)]