1399689728

素因数分解:

$2^9\times {\mathrm{197}}^1\times {\mathrm{13877}}^1$

素因数の和:14092

約数の個数: 40

約数和(自身を含む): 2811044412

約数和(自身を除く): 1411354684

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 197, 256, 394, 512, 788, 1576, 3152, 6304, 12608, 13877, 25216, 27754, 50432, 55508, 100864, 111016, 222032, 444064, 888128, 1776256, 2733769, 3552512, 5467538, 7105024, 10935076, 21870152, 43740304, 87480608, 174961216, 349922432, 699844864, 1399689728]

約数ペア:

[(1, 1399689728), (2, 699844864), (4, 349922432), (8, 174961216), (16, 87480608), (32, 43740304), (64, 21870152), (128, 10935076), (197, 7105024), (256, 5467538), (394, 3552512), (512, 2733769), (788, 1776256), (1576, 888128), (3152, 444064), (6304, 222032), (12608, 111016), (13877, 100864), (25216, 55508), (27754, 50432)]