28013705

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{4919}}^1$

素因数の和:5008

約数の個数: 16

約数和(自身を含む): 36132480

約数和(自身を除く): 8118775

約数列:

[1, 5, 17, 67, 85, 335, 1139, 4919, 5695, 24595, 83623, 329573, 418115, 1647865, 5602741, 28013705]

約数ペア:

[(1, 28013705), (5, 5602741), (17, 1647865), (67, 418115), (85, 329573), (335, 83623), (1139, 24595), (4919, 5695)]