291019105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{3863}}^1$

素因数の和:3961

約数の個数: 32

約数和(自身を含む): 402474240

約数和(自身を除く): 111455135

約数列:

[1, 5, 13, 19, 61, 65, 95, 247, 305, 793, 1159, 1235, 3863, 3965, 5795, 15067, 19315, 50219, 73397, 75335, 235643, 251095, 366985, 954161, 1178215, 3063359, 4477217, 4770805, 15316795, 22386085, 58203821, 291019105]

約数ペア:

[(1, 291019105), (5, 58203821), (13, 22386085), (19, 15316795), (61, 4770805), (65, 4477217), (95, 3063359), (247, 1178215), (305, 954161), (793, 366985), (1159, 251095), (1235, 235643), (3863, 75335), (3965, 73397), (5795, 50219), (15067, 19315)]