256103204

素因数分解:

$2^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{68771}}^1$

素因数の和:68808

約数の個数: 36

約数和(自身を含む): 548800560

約数和(自身を除く): 292697356

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 532, 931, 1862, 3724, 68771, 137542, 275084, 481397, 962794, 1306649, 1925588, 2613298, 3369779, 5226596, 6739558, 9146543, 13479116, 18293086, 36586172, 64025801, 128051602, 256103204]

約数ペア:

[(1, 256103204), (2, 128051602), (4, 64025801), (7, 36586172), (14, 18293086), (19, 13479116), (28, 9146543), (38, 6739558), (49, 5226596), (76, 3369779), (98, 2613298), (133, 1925588), (196, 1306649), (266, 962794), (532, 481397), (931, 275084), (1862, 137542), (3724, 68771)]