84648575

素因数分解:

$5^2\times {\mathrm{11}}^2\times {\mathrm{27983}}^1$

素因数の和:28015

約数の個数: 18

約数和(自身を含む): 115378032

約数和(自身を除く): 30729457

約数列:

[1, 5, 11, 25, 55, 121, 275, 605, 3025, 27983, 139915, 307813, 699575, 1539065, 3385943, 7695325, 16929715, 84648575]

約数ペア:

[(1, 84648575), (5, 16929715), (11, 7695325), (25, 3385943), (55, 1539065), (121, 699575), (275, 307813), (605, 139915), (3025, 27983)]