28957786

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^2$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 54462240

約数和(自身を除く): 25504454

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 73, 143, 146, 209, 247, 286, 418, 494, 803, 949, 1387, 1606, 1898, 2717, 2774, 5329, 5434, 10439, 10658, 15257, 18031, 20878, 30514, 36062, 58619, 69277, 101251, 117238, 138554, 198341, 202502, 396682, 762047, 1113761, 1316263, 1524094, 2227522, 2632526, 14478893, 28957786]

約数ペア:

[(1, 28957786), (2, 14478893), (11, 2632526), (13, 2227522), (19, 1524094), (22, 1316263), (26, 1113761), (38, 762047), (73, 396682), (143, 202502), (146, 198341), (209, 138554), (247, 117238), (286, 101251), (418, 69277), (494, 58619), (803, 36062), (949, 30514), (1387, 20878), (1606, 18031), (1898, 15257), (2717, 10658), (2774, 10439), (5329, 5434)]