64748257

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4091}}^1$

素因数の和:4141

約数の個数: 24

約数和(自身を含む): 83967840

約数和(自身を除く): 19219583

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 4091, 15827, 28637, 69547, 77729, 200459, 486829, 544103, 1321393, 3407803, 3808721, 9249751, 64748257]

約数ペア:

[(1, 64748257), (7, 9249751), (17, 3808721), (19, 3407803), (49, 1321393), (119, 544103), (133, 486829), (323, 200459), (833, 77729), (931, 69547), (2261, 28637), (4091, 15827)]