8261428

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{293}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 17781120

約数和(自身を除く): 9519692

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 53, 76, 106, 133, 212, 266, 293, 371, 532, 586, 742, 1007, 1172, 1484, 2014, 2051, 4028, 4102, 5567, 7049, 8204, 11134, 14098, 15529, 22268, 28196, 31058, 38969, 62116, 77938, 108703, 155876, 217406, 295051, 434812, 590102, 1180204, 2065357, 4130714, 8261428]

約数ペア:

[(1, 8261428), (2, 4130714), (4, 2065357), (7, 1180204), (14, 590102), (19, 434812), (28, 295051), (38, 217406), (53, 155876), (76, 108703), (106, 77938), (133, 62116), (212, 38969), (266, 31058), (293, 28196), (371, 22268), (532, 15529), (586, 14098), (742, 11134), (1007, 8204), (1172, 7049), (1484, 5567), (2014, 4102), (2051, 4028)]