78539678

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 146853888

約数和(自身を除く): 68314210

約数列:

[1, 2, 7, 14, 31, 37, 62, 67, 73, 74, 134, 146, 217, 259, 434, 469, 511, 518, 938, 1022, 1147, 2077, 2263, 2294, 2479, 2701, 4154, 4526, 4891, 4958, 5402, 8029, 9782, 14539, 15841, 16058, 17353, 18907, 29078, 31682, 34237, 34706, 37814, 68474, 76849, 83731, 151621, 153698, 167462, 180967, 303242, 361934, 537943, 586117, 1061347, 1075886, 1172234, 1266769, 2122694, 2533538, 5609977, 11219954, 39269839, 78539678]

約数ペア:

[(1, 78539678), (2, 39269839), (7, 11219954), (14, 5609977), (31, 2533538), (37, 2122694), (62, 1266769), (67, 1172234), (73, 1075886), (74, 1061347), (134, 586117), (146, 537943), (217, 361934), (259, 303242), (434, 180967), (469, 167462), (511, 153698), (518, 151621), (938, 83731), (1022, 76849), (1147, 68474), (2077, 37814), (2263, 34706), (2294, 34237), (2479, 31682), (2701, 29078), (4154, 18907), (4526, 17353), (4891, 16058), (4958, 15841), (5402, 14539), (8029, 9782)]