257201904

素因数分解:

$2^4\times 3^1\times {\mathrm{1289}}^1\times {\mathrm{4157}}^1$

素因数の和:5457

約数の個数: 40

約数和(自身を含む): 665113680

約数和(自身を除く): 407911776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 1289, 2578, 3867, 4157, 5156, 7734, 8314, 10312, 12471, 15468, 16628, 20624, 24942, 30936, 33256, 49884, 61872, 66512, 99768, 199536, 5358373, 10716746, 16075119, 21433492, 32150238, 42866984, 64300476, 85733968, 128600952, 257201904]

約数ペア:

[(1, 257201904), (2, 128600952), (3, 85733968), (4, 64300476), (6, 42866984), (8, 32150238), (12, 21433492), (16, 16075119), (24, 10716746), (48, 5358373), (1289, 199536), (2578, 99768), (3867, 66512), (4157, 61872), (5156, 49884), (7734, 33256), (8314, 30936), (10312, 24942), (12471, 20624), (15468, 16628)]