4005985151

素因数分解:

$7^3\times {\mathrm{29}}^1\times {\mathrm{521}}^1\times {\mathrm{773}}^1$

素因数の和:1344

約数の個数: 32

約数和(自身を含む): 4848336000

約数和(自身を除く): 842350849

約数列:

[1, 7, 29, 49, 203, 343, 521, 773, 1421, 3647, 5411, 9947, 15109, 22417, 25529, 37877, 105763, 156919, 178703, 265139, 402733, 740341, 1098433, 2819131, 5182387, 7689031, 11679257, 19733917, 81754799, 138137419, 572283593, 4005985151]

約数ペア:

[(1, 4005985151), (7, 572283593), (29, 138137419), (49, 81754799), (203, 19733917), (343, 11679257), (521, 7689031), (773, 5182387), (1421, 2819131), (3647, 1098433), (5411, 740341), (9947, 402733), (15109, 265139), (22417, 178703), (25529, 156919), (37877, 105763)]