1561028

素因数分解:

$2^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:491

約数の個数: 24

約数和(自身を含む): 3148992

約数和(自身を除く): 1587964

約数列:

[1, 2, 4, 7, 14, 28, 197, 283, 394, 566, 788, 1132, 1379, 1981, 2758, 3962, 5516, 7924, 55751, 111502, 223004, 390257, 780514, 1561028]

約数ペア:

[(1, 1561028), (2, 780514), (4, 390257), (7, 223004), (14, 111502), (28, 55751), (197, 7924), (283, 5516), (394, 3962), (566, 2758), (788, 1981), (1132, 1379)]