1388656516

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{359}}^1\times {\mathrm{1019}}^1$

素因数の和:1468

約数の個数: 48

約数和(自身を含む): 2662934400

約数和(自身を除く): 1274277884

約数列:

[1, 2, 4, 13, 26, 52, 73, 146, 292, 359, 718, 949, 1019, 1436, 1898, 2038, 3796, 4076, 4667, 9334, 13247, 18668, 26207, 26494, 52414, 52988, 74387, 104828, 148774, 297548, 340691, 365821, 681382, 731642, 967031, 1362764, 1463284, 1934062, 3868124, 4755673, 9511346, 19022692, 26704933, 53409866, 106819732, 347164129, 694328258, 1388656516]

約数ペア:

[(1, 1388656516), (2, 694328258), (4, 347164129), (13, 106819732), (26, 53409866), (52, 26704933), (73, 19022692), (146, 9511346), (292, 4755673), (359, 3868124), (718, 1934062), (949, 1463284), (1019, 1362764), (1436, 967031), (1898, 731642), (2038, 681382), (3796, 365821), (4076, 340691), (4667, 297548), (9334, 148774), (13247, 104828), (18668, 74387), (26207, 52988), (26494, 52414)]