25255256

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{12781}}^1$

素因数の和:12819

約数の個数: 32

約数和(自身を含む): 53684400

約数和(自身を除く): 28429144

約数列:

[1, 2, 4, 8, 13, 19, 26, 38, 52, 76, 104, 152, 247, 494, 988, 1976, 12781, 25562, 51124, 102248, 166153, 242839, 332306, 485678, 664612, 971356, 1329224, 1942712, 3156907, 6313814, 12627628, 25255256]

約数ペア:

[(1, 25255256), (2, 12627628), (4, 6313814), (8, 3156907), (13, 1942712), (19, 1329224), (26, 971356), (38, 664612), (52, 485678), (76, 332306), (104, 242839), (152, 166153), (247, 102248), (494, 51124), (988, 25562), (1976, 12781)]