538278

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{103}}^1$

素因数の和:188

約数の個数: 32

約数和(自身を含む): 1188096

約数和(自身を除く): 649818

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 103, 134, 201, 206, 309, 402, 618, 871, 1339, 1742, 2613, 2678, 4017, 5226, 6901, 8034, 13802, 20703, 41406, 89713, 179426, 269139, 538278]

約数ペア:

[(1, 538278), (2, 269139), (3, 179426), (6, 89713), (13, 41406), (26, 20703), (39, 13802), (67, 8034), (78, 6901), (103, 5226), (134, 4017), (201, 2678), (206, 2613), (309, 1742), (402, 1339), (618, 871)]