305728

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:310

約数の個数: 28

約数和(自身を含む): 644652

約数和(自身を除く): 338924

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 281, 544, 562, 1088, 1124, 2248, 4496, 4777, 8992, 9554, 17984, 19108, 38216, 76432, 152864, 305728]

約数ペア:

[(1, 305728), (2, 152864), (4, 76432), (8, 38216), (16, 19108), (17, 17984), (32, 9554), (34, 8992), (64, 4777), (68, 4496), (136, 2248), (272, 1124), (281, 1088), (544, 562)]