139328128

素因数分解:

$2^7\times {\mathrm{71}}^1\times {\mathrm{15331}}^1$

素因数の和:15416

約数の個数: 32

約数和(自身を含む): 281495520

約数和(自身を除く): 142167392

約数列:

[1, 2, 4, 8, 16, 32, 64, 71, 128, 142, 284, 568, 1136, 2272, 4544, 9088, 15331, 30662, 61324, 122648, 245296, 490592, 981184, 1088501, 1962368, 2177002, 4354004, 8708008, 17416016, 34832032, 69664064, 139328128]

約数ペア:

[(1, 139328128), (2, 69664064), (4, 34832032), (8, 17416016), (16, 8708008), (32, 4354004), (64, 2177002), (71, 1962368), (128, 1088501), (142, 981184), (284, 490592), (568, 245296), (1136, 122648), (2272, 61324), (4544, 30662), (9088, 15331)]