139660864

素因数分解:

$2^6\times 7^1\times {\mathrm{311743}}^1$

素因数の和:311762

約数の個数: 28

約数和(自身を含む): 316731904

約数和(自身を除く): 177071040

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 224, 448, 311743, 623486, 1246972, 2182201, 2493944, 4364402, 4987888, 8728804, 9975776, 17457608, 19951552, 34915216, 69830432, 139660864]

約数ペア:

[(1, 139660864), (2, 69830432), (4, 34915216), (7, 19951552), (8, 17457608), (14, 9975776), (16, 8728804), (28, 4987888), (32, 4364402), (56, 2493944), (64, 2182201), (112, 1246972), (224, 623486), (448, 311743)]