78678512

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{409}}^1\times {\mathrm{1093}}^1$

素因数の和:1521

約数の個数: 40

約数和(自身を含む): 166856880

約数和(自身を除く): 88178368

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 409, 818, 1093, 1636, 2186, 3272, 4372, 4499, 6544, 8744, 8998, 12023, 17488, 17996, 24046, 35992, 48092, 71984, 96184, 192368, 447037, 894074, 1788148, 3576296, 4917407, 7152592, 9834814, 19669628, 39339256, 78678512]

約数ペア:

[(1, 78678512), (2, 39339256), (4, 19669628), (8, 9834814), (11, 7152592), (16, 4917407), (22, 3576296), (44, 1788148), (88, 894074), (176, 447037), (409, 192368), (818, 96184), (1093, 71984), (1636, 48092), (2186, 35992), (3272, 24046), (4372, 17996), (4499, 17488), (6544, 12023), (8744, 8998)]