65440990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1103}}^1$

素因数の和:1476

約数の個数: 32

約数和(自身を含む): 125193600

約数和(自身を除く): 59752610

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 349, 698, 1103, 1745, 2206, 3490, 5515, 5933, 11030, 11866, 18751, 29665, 37502, 59330, 93755, 187510, 384947, 769894, 1924735, 3849470, 6544099, 13088198, 32720495, 65440990]

約数ペア:

[(1, 65440990), (2, 32720495), (5, 13088198), (10, 6544099), (17, 3849470), (34, 1924735), (85, 769894), (170, 384947), (349, 187510), (698, 93755), (1103, 59330), (1745, 37502), (2206, 29665), (3490, 18751), (5515, 11866), (5933, 11030)]