78690830

素因数分解:

$2^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{457}}^1$

素因数の和:788

約数の個数: 32

約数和(自身を含む): 144632736

約数和(自身を除く): 65941906

約数列:

[1, 2, 5, 10, 67, 134, 257, 335, 457, 514, 670, 914, 1285, 2285, 2570, 4570, 17219, 30619, 34438, 61238, 86095, 117449, 153095, 172190, 234898, 306190, 587245, 1174490, 7869083, 15738166, 39345415, 78690830]

約数ペア:

[(1, 78690830), (2, 39345415), (5, 15738166), (10, 7869083), (67, 1174490), (134, 587245), (257, 306190), (335, 234898), (457, 172190), (514, 153095), (670, 117449), (914, 86095), (1285, 61238), (2285, 34438), (2570, 30619), (4570, 17219)]