198676578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{12721}}^1$

素因数の和:12882

約数の個数: 32

約数和(自身を含む): 421352640

約数和(自身を除く): 222676062

約数列:

[1, 2, 3, 6, 19, 38, 57, 114, 137, 274, 411, 822, 2603, 5206, 7809, 12721, 15618, 25442, 38163, 76326, 241699, 483398, 725097, 1450194, 1742777, 3485554, 5228331, 10456662, 33112763, 66225526, 99338289, 198676578]

約数ペア:

[(1, 198676578), (2, 99338289), (3, 66225526), (6, 33112763), (19, 10456662), (38, 5228331), (57, 3485554), (114, 1742777), (137, 1450194), (274, 725097), (411, 483398), (822, 241699), (2603, 76326), (5206, 38163), (7809, 25442), (12721, 15618)]