218696072

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 486604800

約数和(自身を除く): 267908728

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 263, 434, 479, 526, 868, 958, 1052, 1736, 1841, 1916, 2104, 3353, 3682, 3832, 6706, 7364, 8153, 13412, 14728, 14849, 16306, 26824, 29698, 32612, 57071, 59396, 65224, 103943, 114142, 118792, 125977, 207886, 228284, 251954, 415772, 456568, 503908, 831544, 881839, 1007816, 1763678, 3527356, 3905287, 7054712, 7810574, 15621148, 27337009, 31242296, 54674018, 109348036, 218696072]

約数ペア:

[(1, 218696072), (2, 109348036), (4, 54674018), (7, 31242296), (8, 27337009), (14, 15621148), (28, 7810574), (31, 7054712), (56, 3905287), (62, 3527356), (124, 1763678), (217, 1007816), (248, 881839), (263, 831544), (434, 503908), (479, 456568), (526, 415772), (868, 251954), (958, 228284), (1052, 207886), (1736, 125977), (1841, 118792), (1916, 114142), (2104, 103943), (3353, 65224), (3682, 59396), (3832, 57071), (6706, 32612), (7364, 29698), (8153, 26824), (13412, 16306), (14728, 14849)]