25397532285

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{491}}^1\times {\mathrm{643}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 42341031936

約数和(自身を除く): 16943499651

約数列:

[1, 3, 5, 15, 31, 93, 155, 173, 465, 491, 519, 643, 865, 1473, 1929, 2455, 2595, 3215, 5363, 7365, 9645, 15221, 16089, 19933, 26815, 45663, 59799, 76105, 80445, 84943, 99665, 111239, 228315, 254829, 298995, 315713, 333717, 424715, 556195, 947139, 1274145, 1578565, 1668585, 2633233, 3448409, 4735695, 7899699, 9787103, 10345227, 13166165, 17242045, 29361309, 39498495, 48935515, 51726135, 54618349, 146806545, 163855047, 273091745, 819275235, 1693168819, 5079506457, 8465844095, 25397532285]

約数ペア:

[(1, 25397532285), (3, 8465844095), (5, 5079506457), (15, 1693168819), (31, 819275235), (93, 273091745), (155, 163855047), (173, 146806545), (465, 54618349), (491, 51726135), (519, 48935515), (643, 39498495), (865, 29361309), (1473, 17242045), (1929, 13166165), (2455, 10345227), (2595, 9787103), (3215, 7899699), (5363, 4735695), (7365, 3448409), (9645, 2633233), (15221, 1668585), (16089, 1578565), (19933, 1274145), (26815, 947139), (45663, 556195), (59799, 424715), (76105, 333717), (80445, 315713), (84943, 298995), (99665, 254829), (111239, 228315)]