261293368

素因数分解:

$2^3\times 7^1\times {\mathrm{199}}^1\times {\mathrm{23447}}^1$

素因数の和:23659

約数の個数: 32

約数和(自身を含む): 562752000

約数和(自身を除く): 301458632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 199, 398, 796, 1393, 1592, 2786, 5572, 11144, 23447, 46894, 93788, 164129, 187576, 328258, 656516, 1313032, 4665953, 9331906, 18663812, 32661671, 37327624, 65323342, 130646684, 261293368]

約数ペア:

[(1, 261293368), (2, 130646684), (4, 65323342), (7, 37327624), (8, 32661671), (14, 18663812), (28, 9331906), (56, 4665953), (199, 1313032), (398, 656516), (796, 328258), (1393, 187576), (1592, 164129), (2786, 93788), (5572, 46894), (11144, 23447)]