20161519105

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{125527}}^1$

素因数の和:125905

約数の個数: 32

約数和(自身を含む): 29861604864

約数和(自身を除く): 9700085759

約数列:

[1, 5, 7, 13, 35, 65, 91, 353, 455, 1765, 2471, 4589, 12355, 22945, 32123, 125527, 160615, 627635, 878689, 1631851, 4393445, 8159255, 11422957, 44311031, 57114785, 221555155, 310177217, 576043403, 1550886085, 2880217015, 4032303821, 20161519105]

約数ペア:

[(1, 20161519105), (5, 4032303821), (7, 2880217015), (13, 1550886085), (35, 576043403), (65, 310177217), (91, 221555155), (353, 57114785), (455, 44311031), (1765, 11422957), (2471, 8159255), (4589, 4393445), (12355, 1631851), (22945, 878689), (32123, 627635), (125527, 160615)]