211945295

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{19259}}^1$

素因数の和:19366

約数の個数: 16

約数和(自身を含む): 266250240

約数和(自身を除く): 54304945

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 19259, 96295, 597029, 1367389, 2985145, 6836945, 42389059, 211945295]

約数ペア:

[(1, 211945295), (5, 42389059), (31, 6836945), (71, 2985145), (155, 1367389), (355, 597029), (2201, 96295), (11005, 19259)]