40721569

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{199}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 51609600

約数和(自身を除く): 10888031

約数列:

[1, 7, 23, 31, 41, 161, 199, 217, 287, 713, 943, 1271, 1393, 4577, 4991, 6169, 6601, 8159, 8897, 29233, 32039, 43183, 57113, 141887, 187657, 204631, 252929, 993209, 1313599, 1770503, 5817367, 40721569]

約数ペア:

[(1, 40721569), (7, 5817367), (23, 1770503), (31, 1313599), (41, 993209), (161, 252929), (199, 204631), (217, 187657), (287, 141887), (713, 57113), (943, 43183), (1271, 32039), (1393, 29233), (4577, 8897), (4991, 8159), (6169, 6601)]