259968374

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{47}}^2\times {\mathrm{163}}^1$

素因数の和:297

約数の個数: 36

約数和(自身を含む): 423079164

約数和(自身を除く): 163110790

約数列:

[1, 2, 19, 38, 47, 94, 163, 326, 361, 722, 893, 1786, 2209, 3097, 4418, 6194, 7661, 15322, 16967, 33934, 41971, 58843, 83942, 117686, 145559, 291118, 360067, 720134, 797449, 1594898, 2765621, 5531242, 6841273, 13682546, 129984187, 259968374]

約数ペア:

[(1, 259968374), (2, 129984187), (19, 13682546), (38, 6841273), (47, 5531242), (94, 2765621), (163, 1594898), (326, 797449), (361, 720134), (722, 360067), (893, 291118), (1786, 145559), (2209, 117686), (3097, 83942), (4418, 58843), (6194, 41971), (7661, 33934), (15322, 16967)]