81888235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6737}}^1$

素因数の和:6783

約数の個数: 32

約数和(自身を含む): 122254272

約数和(自身を除く): 40366037

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 6737, 12155, 33685, 74107, 87581, 114529, 370535, 437905, 572645, 963391, 1259819, 1488877, 4816955, 6299095, 7444385, 16377647, 81888235]

約数ペア:

[(1, 81888235), (5, 16377647), (11, 7444385), (13, 6299095), (17, 4816955), (55, 1488877), (65, 1259819), (85, 963391), (143, 572645), (187, 437905), (221, 370535), (715, 114529), (935, 87581), (1105, 74107), (2431, 33685), (6737, 12155)]