1397888

素因数分解:

$2^7\times {\mathrm{67}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 32

約数和(自身を含む): 2843760

約数和(自身を除く): 1445872

約数列:

[1, 2, 4, 8, 16, 32, 64, 67, 128, 134, 163, 268, 326, 536, 652, 1072, 1304, 2144, 2608, 4288, 5216, 8576, 10432, 10921, 20864, 21842, 43684, 87368, 174736, 349472, 698944, 1397888]

約数ペア:

[(1, 1397888), (2, 698944), (4, 349472), (8, 174736), (16, 87368), (32, 43684), (64, 21842), (67, 20864), (128, 10921), (134, 10432), (163, 8576), (268, 5216), (326, 4288), (536, 2608), (652, 2144), (1072, 1304)]