400031728

素因数分解:

$2^4\times {\mathrm{293}}^1\times {\mathrm{85331}}^1$

素因数の和:85632

約数の個数: 20

約数和(自身を含む): 777715848

約数和(自身を除く): 377684120

約数列:

[1, 2, 4, 8, 16, 293, 586, 1172, 2344, 4688, 85331, 170662, 341324, 682648, 1365296, 25001983, 50003966, 100007932, 200015864, 400031728]

約数ペア:

[(1, 400031728), (2, 200015864), (4, 100007932), (8, 50003966), (16, 25001983), (293, 1365296), (586, 682648), (1172, 341324), (2344, 170662), (4688, 85331)]