8378859385

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{151}}^1\times {\mathrm{19853}}^1$

素因数の和:20065

約数の個数: 32

約数和(自身を含む): 11153818368

約数和(自身を除く): 2774958983

約数列:

[1, 5, 13, 43, 65, 151, 215, 559, 755, 1963, 2795, 6493, 9815, 19853, 32465, 84409, 99265, 258089, 422045, 853679, 1290445, 2997803, 4268395, 11097827, 14989015, 38971439, 55489135, 128905529, 194857195, 644527645, 1675771877, 8378859385]

約数ペア:

[(1, 8378859385), (5, 1675771877), (13, 644527645), (43, 194857195), (65, 128905529), (151, 55489135), (215, 38971439), (559, 14989015), (755, 11097827), (1963, 4268395), (2795, 2997803), (6493, 1290445), (9815, 853679), (19853, 422045), (32465, 258089), (84409, 99265)]