207438979

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{307}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 247484160

約数和(自身を除く): 40045181

約数列:

[1, 11, 19, 53, 61, 209, 307, 583, 671, 1007, 1159, 3233, 3377, 5833, 11077, 12749, 16271, 18727, 35563, 61427, 64163, 178981, 205997, 309149, 355813, 675697, 992531, 3400639, 3913943, 10917841, 18858089, 207438979]

約数ペア:

[(1, 207438979), (11, 18858089), (19, 10917841), (53, 3913943), (61, 3400639), (209, 992531), (307, 675697), (583, 355813), (671, 309149), (1007, 205997), (1159, 178981), (3233, 64163), (3377, 61427), (5833, 35563), (11077, 18727), (12749, 16271)]