639982631872

素因数分解:

$2^6\times {\mathrm{157}}^1\times {\mathrm{613}}^1\times {\mathrm{103903}}^1$

素因数の和:104685

約数の個数: 56

約数和(自身を含む): 1280151725696

約数和(自身を除く): 640169093824

約数列:

[1, 2, 4, 8, 16, 32, 64, 157, 314, 613, 628, 1226, 1256, 2452, 2512, 4904, 5024, 9808, 10048, 19616, 39232, 96241, 103903, 192482, 207806, 384964, 415612, 769928, 831224, 1539856, 1662448, 3079712, 3324896, 6159424, 6649792, 16312771, 32625542, 63692539, 65251084, 127385078, 130502168, 254770156, 261004336, 509540312, 522008672, 1019080624, 1044017344, 2038161248, 4076322496, 9999728623, 19999457246, 39998914492, 79997828984, 159995657968, 319991315936, 639982631872]

約数ペア:

[(1, 639982631872), (2, 319991315936), (4, 159995657968), (8, 79997828984), (16, 39998914492), (32, 19999457246), (64, 9999728623), (157, 4076322496), (314, 2038161248), (613, 1044017344), (628, 1019080624), (1226, 522008672), (1256, 509540312), (2452, 261004336), (2512, 254770156), (4904, 130502168), (5024, 127385078), (9808, 65251084), (10048, 63692539), (19616, 32625542), (39232, 16312771), (96241, 6649792), (103903, 6159424), (192482, 3324896), (207806, 3079712), (384964, 1662448), (415612, 1539856), (769928, 831224)]