257739534

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{193}}^1\times {\mathrm{439}}^1$

素因数の和:666

約数の個数: 72

約数和(自身を含む): 609214320

約数和(自身を除く): 351474786

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 169, 193, 234, 338, 386, 439, 507, 579, 878, 1014, 1158, 1317, 1521, 1737, 2509, 2634, 3042, 3474, 3951, 5018, 5707, 7527, 7902, 11414, 15054, 17121, 22581, 32617, 34242, 45162, 51363, 65234, 74191, 84727, 97851, 102726, 148382, 169454, 195702, 222573, 254181, 293553, 445146, 508362, 587106, 667719, 762543, 1101451, 1335438, 1525086, 2202902, 3304353, 6608706, 9913059, 14318863, 19826118, 28637726, 42956589, 85913178, 128869767, 257739534]

約数ペア:

[(1, 257739534), (2, 128869767), (3, 85913178), (6, 42956589), (9, 28637726), (13, 19826118), (18, 14318863), (26, 9913059), (39, 6608706), (78, 3304353), (117, 2202902), (169, 1525086), (193, 1335438), (234, 1101451), (338, 762543), (386, 667719), (439, 587106), (507, 508362), (579, 445146), (878, 293553), (1014, 254181), (1158, 222573), (1317, 195702), (1521, 169454), (1737, 148382), (2509, 102726), (2634, 97851), (3042, 84727), (3474, 74191), (3951, 65234), (5018, 51363), (5707, 45162), (7527, 34242), (7902, 32617), (11414, 22581), (15054, 17121)]