261100528

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{983}}^1\times {\mathrm{1277}}^1$

素因数の和:2281

約数の個数: 40

約数和(自身を含む): 545777568

約数和(自身を除く): 284677040

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 983, 1277, 1966, 2554, 3932, 5108, 7864, 10216, 12779, 15728, 16601, 20432, 25558, 33202, 51116, 66404, 102232, 132808, 204464, 265616, 1255291, 2510582, 5021164, 10042328, 16318783, 20084656, 32637566, 65275132, 130550264, 261100528]

約数ペア:

[(1, 261100528), (2, 130550264), (4, 65275132), (8, 32637566), (13, 20084656), (16, 16318783), (26, 10042328), (52, 5021164), (104, 2510582), (208, 1255291), (983, 265616), (1277, 204464), (1966, 132808), (2554, 102232), (3932, 66404), (5108, 51116), (7864, 33202), (10216, 25558), (12779, 20432), (15728, 16601)]