208485784

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{105509}}^1$

素因数の和:105547

約数の個数: 32

約数和(自身を含む): 443142000

約数和(自身を除く): 234656216

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 105509, 211018, 422036, 844072, 1371617, 2004671, 2743234, 4009342, 5486468, 8018684, 10972936, 16037368, 26060723, 52121446, 104242892, 208485784]

約数ペア:

[(1, 208485784), (2, 104242892), (4, 52121446), (8, 26060723), (13, 16037368), (19, 10972936), (26, 8018684), (38, 5486468), (52, 4009342), (76, 2743234), (104, 2004671), (152, 1371617), (247, 844072), (494, 422036), (988, 211018), (1976, 105509)]