1280497024

素因数分解:

$2^7\times {\mathrm{157}}^1\times {\mathrm{63719}}^1$

素因数の和:63890

約数の個数: 32

約数和(自身を含む): 2567278800

約数和(自身を除く): 1286781776

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157, 314, 628, 1256, 2512, 5024, 10048, 20096, 63719, 127438, 254876, 509752, 1019504, 2039008, 4078016, 8156032, 10003883, 20007766, 40015532, 80031064, 160062128, 320124256, 640248512, 1280497024]

約数ペア:

[(1, 1280497024), (2, 640248512), (4, 320124256), (8, 160062128), (16, 80031064), (32, 40015532), (64, 20007766), (128, 10003883), (157, 8156032), (314, 4078016), (628, 2039008), (1256, 1019504), (2512, 509752), (5024, 254876), (10048, 127438), (20096, 63719)]