290726534

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{1103}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 508087296

約数和(自身を除く): 217360762

約数列:

[1, 2, 7, 14, 67, 134, 281, 469, 562, 938, 1103, 1967, 2206, 3934, 7721, 15442, 18827, 37654, 73901, 131789, 147802, 263578, 309943, 517307, 619886, 1034614, 2169601, 4339202, 20766181, 41532362, 145363267, 290726534]

約数ペア:

[(1, 290726534), (2, 145363267), (7, 41532362), (14, 20766181), (67, 4339202), (134, 2169601), (281, 1034614), (469, 619886), (562, 517307), (938, 309943), (1103, 263578), (1967, 147802), (2206, 131789), (3934, 73901), (7721, 37654), (15442, 18827)]