321391756

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{479}}^1\times {\mathrm{773}}^1$

素因数の和:1294

約数の個数: 48

約数和(自身を含む): 665763840

約数和(自身を除く): 344372084

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 479, 773, 868, 958, 1546, 1916, 3092, 3353, 5411, 6706, 10822, 13412, 14849, 21644, 23963, 29698, 47926, 59396, 95852, 103943, 167741, 207886, 335482, 370267, 415772, 670964, 740534, 1481068, 2591869, 5183738, 10367476, 11478277, 22956554, 45913108, 80347939, 160695878, 321391756]

約数ペア:

[(1, 321391756), (2, 160695878), (4, 80347939), (7, 45913108), (14, 22956554), (28, 11478277), (31, 10367476), (62, 5183738), (124, 2591869), (217, 1481068), (434, 740534), (479, 670964), (773, 415772), (868, 370267), (958, 335482), (1546, 207886), (1916, 167741), (3092, 103943), (3353, 95852), (5411, 59396), (6706, 47926), (10822, 29698), (13412, 23963), (14849, 21644)]