138653438

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{128621}}^1$

素因数の和:128648

約数の個数: 24

約数和(自身を含む): 263932344

約数和(自身を除く): 125278906

約数列:

[1, 2, 7, 11, 14, 22, 49, 77, 98, 154, 539, 1078, 128621, 257242, 900347, 1414831, 1800694, 2829662, 6302429, 9903817, 12604858, 19807634, 69326719, 138653438]

約数ペア:

[(1, 138653438), (2, 69326719), (7, 19807634), (11, 12604858), (14, 9903817), (22, 6302429), (49, 2829662), (77, 1800694), (98, 1414831), (154, 900347), (539, 257242), (1078, 128621)]