639530956

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{12073}}^1$

素因数の和:12154

約数の個数: 48

約数和(自身を含む): 1277912160

約数和(自身を除く): 638381204

約数列:

[1, 2, 4, 17, 19, 34, 38, 41, 68, 76, 82, 164, 323, 646, 697, 779, 1292, 1394, 1558, 2788, 3116, 12073, 13243, 24146, 26486, 48292, 52972, 205241, 229387, 410482, 458774, 494993, 820964, 917548, 989986, 1979972, 3899579, 7799158, 8414881, 9404867, 15598316, 16829762, 18809734, 33659524, 37619468, 159882739, 319765478, 639530956]

約数ペア:

[(1, 639530956), (2, 319765478), (4, 159882739), (17, 37619468), (19, 33659524), (34, 18809734), (38, 16829762), (41, 15598316), (68, 9404867), (76, 8414881), (82, 7799158), (164, 3899579), (323, 1979972), (646, 989986), (697, 917548), (779, 820964), (1292, 494993), (1394, 458774), (1558, 410482), (2788, 229387), (3116, 205241), (12073, 52972), (13243, 48292), (24146, 26486)]