161291268

素因数分解:

$2^2\times 3^2\times {\mathrm{71}}^1\times {\mathrm{63103}}^1$

素因数の和:63184

約数の個数: 36

約数和(自身を含む): 413457408

約数和(自身を除く): 252166140

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 71, 142, 213, 284, 426, 639, 852, 1278, 2556, 63103, 126206, 189309, 252412, 378618, 567927, 757236, 1135854, 2271708, 4480313, 8960626, 13440939, 17921252, 26881878, 40322817, 53763756, 80645634, 161291268]

約数ペア:

[(1, 161291268), (2, 80645634), (3, 53763756), (4, 40322817), (6, 26881878), (9, 17921252), (12, 13440939), (18, 8960626), (36, 4480313), (71, 2271708), (142, 1135854), (213, 757236), (284, 567927), (426, 378618), (639, 252412), (852, 189309), (1278, 126206), (2556, 63103)]