636648712

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{419}}^1\times {\mathrm{631}}^1$

素因数の和:1106

約数の個数: 64

約数和(自身を含む): 1401523200

約数和(自身を除く): 764874488

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 419, 602, 631, 838, 1204, 1262, 1676, 2408, 2524, 2933, 3352, 4417, 5048, 5866, 8834, 11732, 17668, 18017, 23464, 27133, 35336, 36034, 54266, 72068, 108532, 126119, 144136, 189931, 217064, 252238, 264389, 379862, 504476, 528778, 759724, 1008952, 1057556, 1519448, 1850723, 2115112, 3701446, 7402892, 11368727, 14805784, 22737454, 45474908, 79581089, 90949816, 159162178, 318324356, 636648712]

約数ペア:

[(1, 636648712), (2, 318324356), (4, 159162178), (7, 90949816), (8, 79581089), (14, 45474908), (28, 22737454), (43, 14805784), (56, 11368727), (86, 7402892), (172, 3701446), (301, 2115112), (344, 1850723), (419, 1519448), (602, 1057556), (631, 1008952), (838, 759724), (1204, 528778), (1262, 504476), (1676, 379862), (2408, 264389), (2524, 252238), (2933, 217064), (3352, 189931), (4417, 144136), (5048, 126119), (5866, 108532), (8834, 72068), (11732, 54266), (17668, 36034), (18017, 35336), (23464, 27133)]