28164422

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:189

約数の個数: 64

約数和(自身を含む): 53706240

約数和(自身を除く): 25541818

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 71, 73, 142, 143, 146, 209, 247, 286, 418, 494, 781, 803, 923, 949, 1349, 1387, 1562, 1606, 1846, 1898, 2698, 2717, 2774, 5183, 5434, 10153, 10366, 10439, 14839, 15257, 17537, 18031, 20306, 20878, 29678, 30514, 35074, 36062, 57013, 67379, 98477, 114026, 134758, 192907, 196954, 198341, 385814, 396682, 741169, 1083247, 1280201, 1482338, 2166494, 2560402, 14082211, 28164422]

約数ペア:

[(1, 28164422), (2, 14082211), (11, 2560402), (13, 2166494), (19, 1482338), (22, 1280201), (26, 1083247), (38, 741169), (71, 396682), (73, 385814), (142, 198341), (143, 196954), (146, 192907), (209, 134758), (247, 114026), (286, 98477), (418, 67379), (494, 57013), (781, 36062), (803, 35074), (923, 30514), (949, 29678), (1349, 20878), (1387, 20306), (1562, 18031), (1606, 17537), (1846, 15257), (1898, 14839), (2698, 10439), (2717, 10366), (2774, 10153), (5183, 5434)]