255519992

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{350989}}^1$

素因数の和:351015

約数の個数: 32

約数和(自身を含む): 589663200

約数和(自身を除く): 334143208

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 350989, 701978, 1403956, 2456923, 2807912, 4562857, 4913846, 9125714, 9827692, 18251428, 19655384, 31939999, 36502856, 63879998, 127759996, 255519992]

約数ペア:

[(1, 255519992), (2, 127759996), (4, 63879998), (7, 36502856), (8, 31939999), (13, 19655384), (14, 18251428), (26, 9827692), (28, 9125714), (52, 4913846), (56, 4562857), (91, 2807912), (104, 2456923), (182, 1403956), (364, 701978), (728, 350989)]