211291288

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{65537}}^1$

素因数の和:65587

約数の個数: 32

約数和(自身を含む): 440415360

約数和(自身を除く): 229124072

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 65537, 131074, 262148, 524296, 851981, 1703962, 2031647, 3407924, 4063294, 6815848, 8126588, 16253176, 26411411, 52822822, 105645644, 211291288]

約数ペア:

[(1, 211291288), (2, 105645644), (4, 52822822), (8, 26411411), (13, 16253176), (26, 8126588), (31, 6815848), (52, 4063294), (62, 3407924), (104, 2031647), (124, 1703962), (248, 851981), (403, 524296), (806, 262148), (1612, 131074), (3224, 65537)]