987919478

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{40813}}^1$

素因数の和:40861

約数の個数: 48

約数和(自身を含む): 1954174320

約数和(自身を除く): 966254842

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 49, 91, 98, 133, 182, 247, 266, 494, 637, 931, 1274, 1729, 1862, 3458, 12103, 24206, 40813, 81626, 285691, 530569, 571382, 775447, 1061138, 1550894, 1999837, 3713983, 3999674, 5428129, 7427966, 10080811, 10856258, 20161622, 25997881, 37996903, 51995762, 70565677, 75993806, 141131354, 493959739, 987919478]

約数ペア:

[(1, 987919478), (2, 493959739), (7, 141131354), (13, 75993806), (14, 70565677), (19, 51995762), (26, 37996903), (38, 25997881), (49, 20161622), (91, 10856258), (98, 10080811), (133, 7427966), (182, 5428129), (247, 3999674), (266, 3713983), (494, 1999837), (637, 1550894), (931, 1061138), (1274, 775447), (1729, 571382), (1862, 530569), (3458, 285691), (12103, 81626), (24206, 40813)]