1261568128

素因数分解:

$2^7\times {\mathrm{83}}^1\times {\mathrm{118747}}^1$

素因数の和:118844

約数の個数: 32

約数和(自身を含む): 2543582160

約数和(自身を除く): 1282014032

約数列:

[1, 2, 4, 8, 16, 32, 64, 83, 128, 166, 332, 664, 1328, 2656, 5312, 10624, 118747, 237494, 474988, 949976, 1899952, 3799904, 7599808, 9856001, 15199616, 19712002, 39424004, 78848008, 157696016, 315392032, 630784064, 1261568128]

約数ペア:

[(1, 1261568128), (2, 630784064), (4, 315392032), (8, 157696016), (16, 78848008), (32, 39424004), (64, 19712002), (83, 15199616), (128, 9856001), (166, 7599808), (332, 3799904), (664, 1899952), (1328, 949976), (2656, 474988), (5312, 237494), (10624, 118747)]