217878856

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{5557}}^1$

素因数の和:5618

約数の個数: 48

約数和(自身を含む): 457701300

約数和(自身を除く): 239822444

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 676, 754, 1352, 1508, 3016, 4901, 5557, 9802, 11114, 19604, 22228, 39208, 44456, 72241, 144482, 161153, 288964, 322306, 577928, 644612, 939133, 1289224, 1878266, 2094989, 3756532, 4189978, 7513064, 8379956, 16759912, 27234857, 54469714, 108939428, 217878856]

約数ペア:

[(1, 217878856), (2, 108939428), (4, 54469714), (8, 27234857), (13, 16759912), (26, 8379956), (29, 7513064), (52, 4189978), (58, 3756532), (104, 2094989), (116, 1878266), (169, 1289224), (232, 939133), (338, 644612), (377, 577928), (676, 322306), (754, 288964), (1352, 161153), (1508, 144482), (3016, 72241), (4901, 44456), (5557, 39208), (9802, 22228), (11114, 19604)]