889351684

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{31}}^2\times {\mathrm{37}}^2$

素因数の和:166

約数の個数: 81

約数和(自身を含む): 1789750431

約数和(自身を除く): 900398747

約数列:

[1, 2, 4, 13, 26, 31, 37, 52, 62, 74, 124, 148, 169, 338, 403, 481, 676, 806, 961, 962, 1147, 1369, 1612, 1922, 1924, 2294, 2738, 3844, 4588, 5239, 5476, 6253, 10478, 12493, 12506, 14911, 17797, 20956, 24986, 25012, 29822, 35557, 35594, 42439, 49972, 59644, 71114, 71188, 84878, 142228, 162409, 169756, 193843, 231361, 324818, 387686, 462241, 462722, 551707, 649636, 775372, 924482, 925444, 1103414, 1315609, 1848964, 2206828, 2631218, 5262436, 6009133, 7172191, 12018266, 14344382, 17102917, 24036532, 28688764, 34205834, 68411668, 222337921, 444675842, 889351684]

約数ペア:

[(1, 889351684), (2, 444675842), (4, 222337921), (13, 68411668), (26, 34205834), (31, 28688764), (37, 24036532), (52, 17102917), (62, 14344382), (74, 12018266), (124, 7172191), (148, 6009133), (169, 5262436), (338, 2631218), (403, 2206828), (481, 1848964), (676, 1315609), (806, 1103414), (961, 925444), (962, 924482), (1147, 775372), (1369, 649636), (1612, 551707), (1922, 462722), (1924, 462241), (2294, 387686), (2738, 324818), (3844, 231361), (4588, 193843), (5239, 169756), (5476, 162409), (6253, 142228), (10478, 84878), (12493, 71188), (12506, 71114), (14911, 59644), (17797, 49972), (20956, 42439), (24986, 35594), (25012, 35557)]