1214921825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{1423}}^1$

素因数の和:1554

約数の個数: 48

約数和(自身を含む): 1690891776

約数和(自身を除く): 475969951

約数列:

[1, 5, 13, 25, 37, 65, 71, 185, 325, 355, 481, 923, 925, 1423, 1775, 2405, 2627, 4615, 7115, 12025, 13135, 18499, 23075, 34151, 35575, 52651, 65675, 92495, 101033, 170755, 263255, 462475, 505165, 684463, 853775, 1313429, 1316275, 2525825, 3422315, 3738221, 6567145, 17111575, 18691105, 32835725, 48596873, 93455525, 242984365, 1214921825]

約数ペア:

[(1, 1214921825), (5, 242984365), (13, 93455525), (25, 48596873), (37, 32835725), (65, 18691105), (71, 17111575), (185, 6567145), (325, 3738221), (355, 3422315), (481, 2525825), (923, 1316275), (925, 1313429), (1423, 853775), (1775, 684463), (2405, 505165), (2627, 462475), (4615, 263255), (7115, 170755), (12025, 101033), (13135, 92495), (18499, 65675), (23075, 52651), (34151, 35575)]