1248920065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{320647}}^1$

素因数の和:320712

約数の個数: 16

約数和(自身を含む): 1616065920

約数和(自身を除く): 367145855

約数列:

[1, 5, 19, 41, 95, 205, 779, 3895, 320647, 1603235, 6092293, 13146527, 30461465, 65732635, 249784013, 1248920065]

約数ペア:

[(1, 1248920065), (5, 249784013), (19, 65732635), (41, 30461465), (95, 13146527), (205, 6092293), (779, 1603235), (3895, 320647)]