128673968

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1231}}^1$

素因数の和:1425

約数の個数: 40

約数和(自身を含む): 256650240

約数和(自身を除く): 127976272

約数列:

[1, 2, 4, 8, 16, 47, 94, 139, 188, 278, 376, 556, 752, 1112, 1231, 2224, 2462, 4924, 6533, 9848, 13066, 19696, 26132, 52264, 57857, 104528, 115714, 171109, 231428, 342218, 462856, 684436, 925712, 1368872, 2737744, 8042123, 16084246, 32168492, 64336984, 128673968]

約数ペア:

[(1, 128673968), (2, 64336984), (4, 32168492), (8, 16084246), (16, 8042123), (47, 2737744), (94, 1368872), (139, 925712), (188, 684436), (278, 462856), (376, 342218), (556, 231428), (752, 171109), (1112, 115714), (1231, 104528), (2224, 57857), (2462, 52264), (4924, 26132), (6533, 19696), (9848, 13066)]