256074208

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{47351}}^1$

素因数の和:47387

約数の個数: 36

約数和(自身を含む): 545921208

約数和(自身を除く): 289847000

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 169, 208, 338, 416, 676, 1352, 2704, 5408, 47351, 94702, 189404, 378808, 615563, 757616, 1231126, 1515232, 2462252, 4924504, 8002319, 9849008, 16004638, 19698016, 32009276, 64018552, 128037104, 256074208]

約数ペア:

[(1, 256074208), (2, 128037104), (4, 64018552), (8, 32009276), (13, 19698016), (16, 16004638), (26, 9849008), (32, 8002319), (52, 4924504), (104, 2462252), (169, 1515232), (208, 1231126), (338, 757616), (416, 615563), (676, 378808), (1352, 189404), (2704, 94702), (5408, 47351)]