25921415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{151}}^1$

素因数の和:327

約数の個数: 32

約数和(自身を含む): 35750400

約数和(自身を除く): 9828985

約数列:

[1, 5, 13, 19, 65, 95, 139, 151, 247, 695, 755, 1235, 1807, 1963, 2641, 2869, 9035, 9815, 13205, 14345, 20989, 34333, 37297, 104945, 171665, 186485, 272857, 398791, 1364285, 1993955, 5184283, 25921415]

約数ペア:

[(1, 25921415), (5, 5184283), (13, 1993955), (19, 1364285), (65, 398791), (95, 272857), (139, 186485), (151, 171665), (247, 104945), (695, 37297), (755, 34333), (1235, 20989), (1807, 14345), (1963, 13205), (2641, 9815), (2869, 9035)]