161585784

素因数分解:

$2^3\times 3^2\times {\mathrm{997}}^1\times {\mathrm{2251}}^1$

素因数の和:3260

約数の個数: 48

約数和(自身を含む): 438261720

約数和(自身を除く): 276675936

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 997, 1994, 2251, 2991, 3988, 4502, 5982, 6753, 7976, 8973, 9004, 11964, 13506, 17946, 18008, 20259, 23928, 27012, 35892, 40518, 54024, 71784, 81036, 162072, 2244247, 4488494, 6732741, 8976988, 13465482, 17953976, 20198223, 26930964, 40396446, 53861928, 80792892, 161585784]

約数ペア:

[(1, 161585784), (2, 80792892), (3, 53861928), (4, 40396446), (6, 26930964), (8, 20198223), (9, 17953976), (12, 13465482), (18, 8976988), (24, 6732741), (36, 4488494), (72, 2244247), (997, 162072), (1994, 81036), (2251, 71784), (2991, 54024), (3988, 40518), (4502, 35892), (5982, 27012), (6753, 23928), (7976, 20259), (8973, 18008), (9004, 17946), (11964, 13506)]