1238416

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:211

約数の個数: 40

約数和(自身を含む): 2644920

約数和(自身を除く): 1406504

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 157, 232, 272, 314, 464, 493, 628, 986, 1256, 1972, 2512, 2669, 3944, 4553, 5338, 7888, 9106, 10676, 18212, 21352, 36424, 42704, 72848, 77401, 154802, 309604, 619208, 1238416]

約数ペア:

[(1, 1238416), (2, 619208), (4, 309604), (8, 154802), (16, 77401), (17, 72848), (29, 42704), (34, 36424), (58, 21352), (68, 18212), (116, 10676), (136, 9106), (157, 7888), (232, 5338), (272, 4553), (314, 3944), (464, 2669), (493, 2512), (628, 1972), (986, 1256)]