28250205

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{643}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 47295360

約数和(自身を除く): 19045155

約数列:

[1, 3, 5, 15, 29, 87, 101, 145, 303, 435, 505, 643, 1515, 1929, 2929, 3215, 8787, 9645, 14645, 18647, 43935, 55941, 64943, 93235, 194829, 279705, 324715, 974145, 1883347, 5650041, 9416735, 28250205]

約数ペア:

[(1, 28250205), (3, 9416735), (5, 5650041), (15, 1883347), (29, 974145), (87, 324715), (101, 279705), (145, 194829), (303, 93235), (435, 64943), (505, 55941), (643, 43935), (1515, 18647), (1929, 14645), (2929, 9645), (3215, 8787)]