998021245

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{120899}}^1$

素因数の和:121044

約数の個数: 16

約数和(自身を含む): 1299916800

約数和(自身を除く): 301895555

約数列:

[1, 5, 13, 65, 127, 635, 1651, 8255, 120899, 604495, 1571687, 7858435, 15354173, 76770865, 199604249, 998021245]

約数ペア:

[(1, 998021245), (5, 199604249), (13, 76770865), (65, 15354173), (127, 7858435), (635, 1571687), (1651, 604495), (8255, 120899)]