71891495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 95726400

約数和(自身を除く): 23834905

約数列:

[1, 5, 13, 65, 73, 109, 139, 365, 545, 695, 949, 1417, 1807, 4745, 7085, 7957, 9035, 10147, 15151, 39785, 50735, 75755, 103441, 131911, 196963, 517205, 659555, 984815, 1106023, 5530115, 14378299, 71891495]

約数ペア:

[(1, 71891495), (5, 14378299), (13, 5530115), (65, 1106023), (73, 984815), (109, 659555), (139, 517205), (365, 196963), (545, 131911), (695, 103441), (949, 75755), (1417, 50735), (1807, 39785), (4745, 15151), (7085, 10147), (7957, 9035)]