213855304

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{367}}^1\times {\mathrm{431}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 436389120

約数和(自身を除く): 222533816

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 367, 431, 676, 734, 862, 1352, 1468, 1724, 2936, 3448, 4771, 5603, 9542, 11206, 19084, 22412, 38168, 44824, 62023, 72839, 124046, 145678, 158177, 248092, 291356, 316354, 496184, 582712, 632708, 1265416, 2056301, 4112602, 8225204, 16450408, 26731913, 53463826, 106927652, 213855304]

約数ペア:

[(1, 213855304), (2, 106927652), (4, 53463826), (8, 26731913), (13, 16450408), (26, 8225204), (52, 4112602), (104, 2056301), (169, 1265416), (338, 632708), (367, 582712), (431, 496184), (676, 316354), (734, 291356), (862, 248092), (1352, 158177), (1468, 145678), (1724, 124046), (2936, 72839), (3448, 62023), (4771, 44824), (5603, 38168), (9542, 22412), (11206, 19084)]