77828275

素因数分解:

$5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{263}}^1$

素因数の和:388

約数の個数: 48

約数和(自身を含む): 117849600

約数和(自身を除く): 40021325

約数列:

[1, 5, 7, 19, 25, 35, 89, 95, 133, 175, 263, 445, 475, 623, 665, 1315, 1691, 1841, 2225, 3115, 3325, 4997, 6575, 8455, 9205, 11837, 15575, 23407, 24985, 34979, 42275, 46025, 59185, 117035, 124925, 163849, 174895, 295925, 444733, 585175, 819245, 874475, 2223665, 3113131, 4096225, 11118325, 15565655, 77828275]

約数ペア:

[(1, 77828275), (5, 15565655), (7, 11118325), (19, 4096225), (25, 3113131), (35, 2223665), (89, 874475), (95, 819245), (133, 585175), (175, 444733), (263, 295925), (445, 174895), (475, 163849), (623, 124925), (665, 117035), (1315, 59185), (1691, 46025), (1841, 42275), (2225, 34979), (3115, 24985), (3325, 23407), (4997, 15575), (6575, 11837), (8455, 9205)]