209809712

素因数分解:

$2^4\times 7^1\times {\mathrm{691}}^1\times {\mathrm{2711}}^1$

素因数の和:3417

約数の個数: 40

約数和(自身を含む): 465422592

約数和(自身を除く): 255612880

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 691, 1382, 2711, 2764, 4837, 5422, 5528, 9674, 10844, 11056, 18977, 19348, 21688, 37954, 38696, 43376, 75908, 77392, 151816, 303632, 1873301, 3746602, 7493204, 13113107, 14986408, 26226214, 29972816, 52452428, 104904856, 209809712]

約数ペア:

[(1, 209809712), (2, 104904856), (4, 52452428), (7, 29972816), (8, 26226214), (14, 14986408), (16, 13113107), (28, 7493204), (56, 3746602), (112, 1873301), (691, 303632), (1382, 151816), (2711, 77392), (2764, 75908), (4837, 43376), (5422, 38696), (5528, 37954), (9674, 21688), (10844, 19348), (11056, 18977)]