278325737

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:353

約数の個数: 32

約数和(自身を含む): 318193920

約数和(自身を除く): 39868183

約数列:

[1, 19, 23, 53, 61, 197, 437, 1007, 1159, 1219, 1403, 3233, 3743, 4531, 10441, 12017, 23161, 26657, 61427, 74359, 86089, 198379, 228323, 240143, 276391, 636901, 1412821, 4562717, 5251429, 12101119, 14648723, 278325737]

約数ペア:

[(1, 278325737), (19, 14648723), (23, 12101119), (53, 5251429), (61, 4562717), (197, 1412821), (437, 636901), (1007, 276391), (1159, 240143), (1219, 228323), (1403, 198379), (3233, 86089), (3743, 74359), (4531, 61427), (10441, 26657), (12017, 23161)]