78840802

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{607}}^1\times {\mathrm{643}}^1$

素因数の和:1353

約数の個数: 16

約数和(自身を含む): 119814912

約数和(自身を除く): 40974110

約数列:

[1, 2, 101, 202, 607, 643, 1214, 1286, 61307, 64943, 122614, 129886, 390301, 780602, 39420401, 78840802]

約数ペア:

[(1, 78840802), (2, 39420401), (101, 780602), (202, 390301), (607, 129886), (643, 122614), (1214, 64943), (1286, 61307)]