27994505

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:174

約数の個数: 64

約数和(自身を含む): 45619200

約数和(自身を除く): 17624695

約数列:

[1, 5, 7, 11, 19, 35, 43, 55, 77, 89, 95, 133, 209, 215, 301, 385, 445, 473, 623, 665, 817, 979, 1045, 1463, 1505, 1691, 2365, 3115, 3311, 3827, 4085, 4895, 5719, 6853, 7315, 8455, 8987, 11837, 16555, 18601, 19135, 26789, 28595, 34265, 42097, 44935, 59185, 62909, 72713, 93005, 130207, 133945, 210485, 294679, 314545, 363565, 508991, 651035, 799843, 1473395, 2544955, 3999215, 5598901, 27994505]

約数ペア:

[(1, 27994505), (5, 5598901), (7, 3999215), (11, 2544955), (19, 1473395), (35, 799843), (43, 651035), (55, 508991), (77, 363565), (89, 314545), (95, 294679), (133, 210485), (209, 133945), (215, 130207), (301, 93005), (385, 72713), (445, 62909), (473, 59185), (623, 44935), (665, 42097), (817, 34265), (979, 28595), (1045, 26789), (1463, 19135), (1505, 18601), (1691, 16555), (2365, 11837), (3115, 8987), (3311, 8455), (3827, 7315), (4085, 6853), (4895, 5719)]