261529728

素因数分解:

$2^7\times 3^1\times {\mathrm{681067}}^1$

素因数の和:681084

約数の個数: 32

約数和(自身を含む): 694689360

約数和(自身を除く): 433159632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 681067, 1362134, 2043201, 2724268, 4086402, 5448536, 8172804, 10897072, 16345608, 21794144, 32691216, 43588288, 65382432, 87176576, 130764864, 261529728]

約数ペア:

[(1, 261529728), (2, 130764864), (3, 87176576), (4, 65382432), (6, 43588288), (8, 32691216), (12, 21794144), (16, 16345608), (24, 10897072), (32, 8172804), (48, 5448536), (64, 4086402), (96, 2724268), (128, 2043201), (192, 1362134), (384, 681067)]