31724368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{3547}}^1$

素因数の和:3611

約数の個数: 40

約数和(自身を含む): 67752608

約数和(自身を除く): 36028240

約数列:

[1, 2, 4, 8, 13, 16, 26, 43, 52, 86, 104, 172, 208, 344, 559, 688, 1118, 2236, 3547, 4472, 7094, 8944, 14188, 28376, 46111, 56752, 92222, 152521, 184444, 305042, 368888, 610084, 737776, 1220168, 1982773, 2440336, 3965546, 7931092, 15862184, 31724368]

約数ペア:

[(1, 31724368), (2, 15862184), (4, 7931092), (8, 3965546), (13, 2440336), (16, 1982773), (26, 1220168), (43, 737776), (52, 610084), (86, 368888), (104, 305042), (172, 184444), (208, 152521), (344, 92222), (559, 56752), (688, 46111), (1118, 28376), (2236, 14188), (3547, 8944), (4472, 7094)]