28920170041

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{1787}}^1$

素因数の和:1990

約数の個数: 64

約数和(自身を含む): 37372575744

約数和(自身を除く): 8452405703

約数列:

[1, 7, 17, 31, 41, 107, 119, 217, 287, 527, 697, 749, 1271, 1787, 1819, 3317, 3689, 4387, 4879, 8897, 12509, 12733, 21607, 23219, 30379, 30709, 55397, 56389, 73267, 74579, 135997, 151249, 191209, 212653, 387779, 394723, 512869, 522053, 941749, 951979, 1245539, 1338463, 2271277, 2311949, 3250553, 5927479, 6592243, 7839569, 8718773, 15898939, 16183643, 22753871, 38611709, 41492353, 54876983, 100767143, 133272673, 243026639, 270281963, 705370001, 932908711, 1701186473, 4131452863, 28920170041]

約数ペア:

[(1, 28920170041), (7, 4131452863), (17, 1701186473), (31, 932908711), (41, 705370001), (107, 270281963), (119, 243026639), (217, 133272673), (287, 100767143), (527, 54876983), (697, 41492353), (749, 38611709), (1271, 22753871), (1787, 16183643), (1819, 15898939), (3317, 8718773), (3689, 7839569), (4387, 6592243), (4879, 5927479), (8897, 3250553), (12509, 2311949), (12733, 2271277), (21607, 1338463), (23219, 1245539), (30379, 951979), (30709, 941749), (55397, 522053), (56389, 512869), (73267, 394723), (74579, 387779), (135997, 212653), (151249, 191209)]