129296128

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{38851}}^1$

素因数の和:38880

約数の個数: 36

約数和(自身を含む): 277947208

約数和(自身を除く): 148651080

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 832, 1664, 3328, 38851, 77702, 155404, 310808, 505063, 621616, 1010126, 1243232, 2020252, 2486464, 4040504, 4972928, 8081008, 9945856, 16162016, 32324032, 64648064, 129296128]

約数ペア:

[(1, 129296128), (2, 64648064), (4, 32324032), (8, 16162016), (13, 9945856), (16, 8081008), (26, 4972928), (32, 4040504), (52, 2486464), (64, 2020252), (104, 1243232), (128, 1010126), (208, 621616), (256, 505063), (416, 310808), (832, 155404), (1664, 77702), (3328, 38851)]