208165790

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{37643}}^1$

素因数の和:37736

約数の個数: 32

約数和(自身を含む): 433658880

約数和(自身を除く): 225493090

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 79, 158, 395, 553, 790, 1106, 2765, 5530, 37643, 75286, 188215, 263501, 376430, 527002, 1317505, 2635010, 2973797, 5947594, 14868985, 20816579, 29737970, 41633158, 104082895, 208165790]

約数ペア:

[(1, 208165790), (2, 104082895), (5, 41633158), (7, 29737970), (10, 20816579), (14, 14868985), (35, 5947594), (70, 2973797), (79, 2635010), (158, 1317505), (395, 527002), (553, 376430), (790, 263501), (1106, 188215), (2765, 75286), (5530, 37643)]