28339792

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:212

約数の個数: 80

約数和(自身を含む): 63745920

約数和(自身を除く): 35406128

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 71, 76, 101, 104, 142, 152, 202, 208, 247, 284, 304, 404, 494, 568, 808, 923, 988, 1136, 1313, 1349, 1616, 1846, 1919, 1976, 2626, 2698, 3692, 3838, 3952, 5252, 5396, 7171, 7384, 7676, 10504, 10792, 14342, 14768, 15352, 17537, 21008, 21584, 24947, 28684, 30704, 35074, 49894, 57368, 70148, 93223, 99788, 114736, 136249, 140296, 186446, 199576, 272498, 280592, 372892, 399152, 544996, 745784, 1089992, 1491568, 1771237, 2179984, 3542474, 7084948, 14169896, 28339792]

約数ペア:

[(1, 28339792), (2, 14169896), (4, 7084948), (8, 3542474), (13, 2179984), (16, 1771237), (19, 1491568), (26, 1089992), (38, 745784), (52, 544996), (71, 399152), (76, 372892), (101, 280592), (104, 272498), (142, 199576), (152, 186446), (202, 140296), (208, 136249), (247, 114736), (284, 99788), (304, 93223), (404, 70148), (494, 57368), (568, 49894), (808, 35074), (923, 30704), (988, 28684), (1136, 24947), (1313, 21584), (1349, 21008), (1616, 17537), (1846, 15352), (1919, 14768), (1976, 14342), (2626, 10792), (2698, 10504), (3692, 7676), (3838, 7384), (3952, 7171), (5252, 5396)]