251431424

素因数分解:

$2^9\times {\mathrm{683}}^1\times {\mathrm{719}}^1$

素因数の和:1420

約数の個数: 40

約数和(自身を含む): 503807040

約数和(自身を除く): 252375616

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 683, 719, 1366, 1438, 2732, 2876, 5464, 5752, 10928, 11504, 21856, 23008, 43712, 46016, 87424, 92032, 174848, 184064, 349696, 368128, 491077, 982154, 1964308, 3928616, 7857232, 15714464, 31428928, 62857856, 125715712, 251431424]

約数ペア:

[(1, 251431424), (2, 125715712), (4, 62857856), (8, 31428928), (16, 15714464), (32, 7857232), (64, 3928616), (128, 1964308), (256, 982154), (512, 491077), (683, 368128), (719, 349696), (1366, 184064), (1438, 174848), (2732, 92032), (2876, 87424), (5464, 46016), (5752, 43712), (10928, 23008), (11504, 21856)]