161854658

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{2683}}^1$

素因数の和:2862

約数の個数: 32

約数和(自身を含む): 288583680

約数和(自身を除く): 126729022

約数列:

[1, 2, 7, 14, 31, 62, 139, 217, 278, 434, 973, 1946, 2683, 4309, 5366, 8618, 18781, 30163, 37562, 60326, 83173, 166346, 372937, 582211, 745874, 1164422, 2610559, 5221118, 11561047, 23122094, 80927329, 161854658]

約数ペア:

[(1, 161854658), (2, 80927329), (7, 23122094), (14, 11561047), (31, 5221118), (62, 2610559), (139, 1164422), (217, 745874), (278, 582211), (434, 372937), (973, 166346), (1946, 83173), (2683, 60326), (4309, 37562), (5366, 30163), (8618, 18781)]