89128004

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{419}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 182891520

約数和(自身を除く): 93763516

約数列:

[1, 2, 4, 7, 14, 28, 71, 107, 142, 214, 284, 419, 428, 497, 749, 838, 994, 1498, 1676, 1988, 2933, 2996, 5866, 7597, 11732, 15194, 29749, 30388, 44833, 53179, 59498, 89666, 106358, 118996, 179332, 208243, 212716, 313831, 416486, 627662, 832972, 1255324, 3183143, 6366286, 12732572, 22282001, 44564002, 89128004]

約数ペア:

[(1, 89128004), (2, 44564002), (4, 22282001), (7, 12732572), (14, 6366286), (28, 3183143), (71, 1255324), (107, 832972), (142, 627662), (214, 416486), (284, 313831), (419, 212716), (428, 208243), (497, 179332), (749, 118996), (838, 106358), (994, 89666), (1498, 59498), (1676, 53179), (1988, 44833), (2933, 30388), (2996, 29749), (5866, 15194), (7597, 11732)]