685678

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1$

素因数の和:136

約数の個数: 32

約数和(自身を含む): 1292544

約数和(自身を除く): 606866

約数列:

[1, 2, 7, 14, 17, 34, 43, 67, 86, 119, 134, 238, 301, 469, 602, 731, 938, 1139, 1462, 2278, 2881, 5117, 5762, 7973, 10234, 15946, 20167, 40334, 48977, 97954, 342839, 685678]

約数ペア:

[(1, 685678), (2, 342839), (7, 97954), (14, 48977), (17, 40334), (34, 20167), (43, 15946), (67, 10234), (86, 7973), (119, 5762), (134, 5117), (238, 2881), (301, 2278), (469, 1462), (602, 1139), (731, 938)]