28564774

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{281}}^1$

素因数の和:480

約数の個数: 32

約数和(自身を含む): 50435136

約数和(自身を除く): 21870362

約数列:

[1, 2, 7, 14, 53, 106, 137, 274, 281, 371, 562, 742, 959, 1918, 1967, 3934, 7261, 14522, 14893, 29786, 38497, 50827, 76994, 101654, 104251, 208502, 269479, 538958, 2040341, 4080682, 14282387, 28564774]

約数ペア:

[(1, 28564774), (2, 14282387), (7, 4080682), (14, 2040341), (53, 538958), (106, 269479), (137, 208502), (274, 104251), (281, 101654), (371, 76994), (562, 50827), (742, 38497), (959, 29786), (1918, 14893), (1967, 14522), (3934, 7261)]