138684784

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{13913}}^1$

素因数の和:14017

約数の個数: 40

約数和(自身を含む): 310560480

約数和(自身を除く): 171875696

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9968, 13913, 27826, 55652, 97391, 111304, 194782, 222608, 389564, 779128, 1238257, 1558256, 2476514, 4953028, 8667799, 9906056, 17335598, 19812112, 34671196, 69342392, 138684784]

約数ペア:

[(1, 138684784), (2, 69342392), (4, 34671196), (7, 19812112), (8, 17335598), (14, 9906056), (16, 8667799), (28, 4953028), (56, 2476514), (89, 1558256), (112, 1238257), (178, 779128), (356, 389564), (623, 222608), (712, 194782), (1246, 111304), (1424, 97391), (2492, 55652), (4984, 27826), (9968, 13913)]