81564112

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{38329}}^1$

素因数の和:38363

約数の個数: 40

約数和(自身を含む): 190116800

約数和(自身を除く): 108552688

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 38329, 76658, 153316, 268303, 306632, 536606, 613264, 728251, 1073212, 1456502, 2146424, 2913004, 4292848, 5097757, 5826008, 10195514, 11652016, 20391028, 40782056, 81564112]

約数ペア:

[(1, 81564112), (2, 40782056), (4, 20391028), (7, 11652016), (8, 10195514), (14, 5826008), (16, 5097757), (19, 4292848), (28, 2913004), (38, 2146424), (56, 1456502), (76, 1073212), (112, 728251), (133, 613264), (152, 536606), (266, 306632), (304, 268303), (532, 153316), (1064, 76658), (2128, 38329)]