2400008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{491}}^1$

素因数の和:557

約数の個数: 32

約数和(自身を含む): 4959360

約数和(自身を除く): 2559352

約数列:

[1, 2, 4, 8, 13, 26, 47, 52, 94, 104, 188, 376, 491, 611, 982, 1222, 1964, 2444, 3928, 4888, 6383, 12766, 23077, 25532, 46154, 51064, 92308, 184616, 300001, 600002, 1200004, 2400008]

約数ペア:

[(1, 2400008), (2, 1200004), (4, 600002), (8, 300001), (13, 184616), (26, 92308), (47, 51064), (52, 46154), (94, 25532), (104, 23077), (188, 12766), (376, 6383), (491, 4888), (611, 3928), (982, 2444), (1222, 1964)]