128013752

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{197}}^1\times {\mathrm{1889}}^1$

素因数の和:2135

約数の個数: 32

約数和(自身を含む): 246985200

約数和(自身を除く): 118971448

約数列:

[1, 2, 4, 8, 43, 86, 172, 197, 344, 394, 788, 1576, 1889, 3778, 7556, 8471, 15112, 16942, 33884, 67768, 81227, 162454, 324908, 372133, 649816, 744266, 1488532, 2977064, 16001719, 32003438, 64006876, 128013752]

約数ペア:

[(1, 128013752), (2, 64006876), (4, 32003438), (8, 16001719), (43, 2977064), (86, 1488532), (172, 744266), (197, 649816), (344, 372133), (394, 324908), (788, 162454), (1576, 81227), (1889, 67768), (3778, 33884), (7556, 16942), (8471, 15112)]