407788208

素因数分解:

$2^4\times {\mathrm{1667}}^1\times {\mathrm{15289}}^1$

素因数の和:16964

約数の個数: 20

約数和(自身を含む): 790615320

約数和(自身を除く): 382827112

約数列:

[1, 2, 4, 8, 16, 1667, 3334, 6668, 13336, 15289, 26672, 30578, 61156, 122312, 244624, 25486763, 50973526, 101947052, 203894104, 407788208]

約数ペア:

[(1, 407788208), (2, 203894104), (4, 101947052), (8, 50973526), (16, 25486763), (1667, 244624), (3334, 122312), (6668, 61156), (13336, 30578), (15289, 26672)]