71221428

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{661}}^1$

素因数の和:785

約数の個数: 72

約数和(自身を含む): 187232136

約数和(自身を除く): 116010708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 73, 82, 123, 146, 164, 219, 246, 292, 369, 438, 492, 657, 661, 738, 876, 1314, 1322, 1476, 1983, 2628, 2644, 2993, 3966, 5949, 5986, 7932, 8979, 11898, 11972, 17958, 23796, 26937, 27101, 35916, 48253, 53874, 54202, 81303, 96506, 107748, 108404, 144759, 162606, 193012, 243909, 289518, 325212, 434277, 487818, 579036, 868554, 975636, 1737108, 1978373, 3956746, 5935119, 7913492, 11870238, 17805357, 23740476, 35610714, 71221428]

約数ペア:

[(1, 71221428), (2, 35610714), (3, 23740476), (4, 17805357), (6, 11870238), (9, 7913492), (12, 5935119), (18, 3956746), (36, 1978373), (41, 1737108), (73, 975636), (82, 868554), (123, 579036), (146, 487818), (164, 434277), (219, 325212), (246, 289518), (292, 243909), (369, 193012), (438, 162606), (492, 144759), (657, 108404), (661, 107748), (738, 96506), (876, 81303), (1314, 54202), (1322, 53874), (1476, 48253), (1983, 35916), (2628, 27101), (2644, 26937), (2993, 23796), (3966, 17958), (5949, 11972), (5986, 11898), (7932, 8979)]