77649890

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1\times {\mathrm{433}}^1$

素因数の和:746

約数の個数: 32

約数和(自身を含む): 142490880

約数和(自身を除く): 64840990

約数列:

[1, 2, 5, 10, 79, 158, 227, 395, 433, 454, 790, 866, 1135, 2165, 2270, 4330, 17933, 34207, 35866, 68414, 89665, 98291, 171035, 179330, 196582, 342070, 491455, 982910, 7764989, 15529978, 38824945, 77649890]

約数ペア:

[(1, 77649890), (2, 38824945), (5, 15529978), (10, 7764989), (79, 982910), (158, 491455), (227, 342070), (395, 196582), (433, 179330), (454, 171035), (790, 98291), (866, 89665), (1135, 68414), (2165, 35866), (2270, 34207), (4330, 17933)]