1388891478

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{5651}}^1$

素因数の和:5829

約数の個数: 64

約数和(自身を含む): 3144863232

約数和(自身を除く): 1755971754

約数列:

[1, 2, 3, 6, 13, 23, 26, 39, 46, 69, 78, 137, 138, 274, 299, 411, 598, 822, 897, 1781, 1794, 3151, 3562, 5343, 5651, 6302, 9453, 10686, 11302, 16953, 18906, 33906, 40963, 73463, 81926, 122889, 129973, 146926, 220389, 245778, 259946, 389919, 440778, 774187, 779838, 1548374, 1689649, 2322561, 3379298, 4645122, 5068947, 10064431, 10137894, 17806301, 20128862, 30193293, 35612602, 53418903, 60386586, 106837806, 231481913, 462963826, 694445739, 1388891478]

約数ペア:

[(1, 1388891478), (2, 694445739), (3, 462963826), (6, 231481913), (13, 106837806), (23, 60386586), (26, 53418903), (39, 35612602), (46, 30193293), (69, 20128862), (78, 17806301), (137, 10137894), (138, 10064431), (274, 5068947), (299, 4645122), (411, 3379298), (598, 2322561), (822, 1689649), (897, 1548374), (1781, 779838), (1794, 774187), (3151, 440778), (3562, 389919), (5343, 259946), (5651, 245778), (6302, 220389), (9453, 146926), (10686, 129973), (11302, 122889), (16953, 81926), (18906, 73463), (33906, 40963)]