139245484

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{787}}^1$

素因数の和:958

約数の個数: 48

約数和(自身を含む): 285949440

約数和(自身を除く): 146703956

約数列:

[1, 2, 4, 7, 14, 28, 71, 89, 142, 178, 284, 356, 497, 623, 787, 994, 1246, 1574, 1988, 2492, 3148, 5509, 6319, 11018, 12638, 22036, 25276, 44233, 55877, 70043, 88466, 111754, 140086, 176932, 223508, 280172, 391139, 490301, 782278, 980602, 1564556, 1961204, 4973053, 9946106, 19892212, 34811371, 69622742, 139245484]

約数ペア:

[(1, 139245484), (2, 69622742), (4, 34811371), (7, 19892212), (14, 9946106), (28, 4973053), (71, 1961204), (89, 1564556), (142, 980602), (178, 782278), (284, 490301), (356, 391139), (497, 280172), (623, 223508), (787, 176932), (994, 140086), (1246, 111754), (1574, 88466), (1988, 70043), (2492, 55877), (3148, 44233), (5509, 25276), (6319, 22036), (11018, 12638)]