27890768

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{2711}}^1$

素因数の和:3362

約数の個数: 20

約数和(自身を含む): 54142368

約数和(自身を除く): 26251600

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 2711, 5144, 5422, 10288, 10844, 21688, 43376, 1743173, 3486346, 6972692, 13945384, 27890768]

約数ペア:

[(1, 27890768), (2, 13945384), (4, 6972692), (8, 3486346), (16, 1743173), (643, 43376), (1286, 21688), (2572, 10844), (2711, 10288), (5144, 5422)]