291280286

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{349}}^1\times {\mathrm{643}}^1$

素因数の和:1064

約数の個数: 32

約数和(自身を含む): 486864000

約数和(自身を除く): 195583714

約数列:

[1, 2, 11, 22, 59, 118, 349, 643, 649, 698, 1286, 1298, 3839, 7073, 7678, 14146, 20591, 37937, 41182, 75874, 224407, 226501, 417307, 448814, 453002, 834614, 2468477, 4936954, 13240013, 26480026, 145640143, 291280286]

約数ペア:

[(1, 291280286), (2, 145640143), (11, 26480026), (22, 13240013), (59, 4936954), (118, 2468477), (349, 834614), (643, 453002), (649, 448814), (698, 417307), (1286, 226501), (1298, 224407), (3839, 75874), (7073, 41182), (7678, 37937), (14146, 20591)]