31231856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{199}}^1\times {\mathrm{577}}^1$

素因数の和:801

約数の個数: 40

約数和(自身を含む): 64504800

約数和(自身を除く): 33272944

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 199, 272, 398, 577, 796, 1154, 1592, 2308, 3184, 3383, 4616, 6766, 9232, 9809, 13532, 19618, 27064, 39236, 54128, 78472, 114823, 156944, 229646, 459292, 918584, 1837168, 1951991, 3903982, 7807964, 15615928, 31231856]

約数ペア:

[(1, 31231856), (2, 15615928), (4, 7807964), (8, 3903982), (16, 1951991), (17, 1837168), (34, 918584), (68, 459292), (136, 229646), (199, 156944), (272, 114823), (398, 78472), (577, 54128), (796, 39236), (1154, 27064), (1592, 19618), (2308, 13532), (3184, 9809), (3383, 9232), (4616, 6766)]