81959584

素因数分解:

$2^5\times 7^1\times {\mathrm{17}}^1\times {\mathrm{21523}}^1$

素因数の和:21557

約数の個数: 48

約数和(自身を含む): 195265728

約数和(自身を除く): 113306144

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 68, 112, 119, 136, 224, 238, 272, 476, 544, 952, 1904, 3808, 21523, 43046, 86092, 150661, 172184, 301322, 344368, 365891, 602644, 688736, 731782, 1205288, 1463564, 2410576, 2561237, 2927128, 4821152, 5122474, 5854256, 10244948, 11708512, 20489896, 40979792, 81959584]

約数ペア:

[(1, 81959584), (2, 40979792), (4, 20489896), (7, 11708512), (8, 10244948), (14, 5854256), (16, 5122474), (17, 4821152), (28, 2927128), (32, 2561237), (34, 2410576), (56, 1463564), (68, 1205288), (112, 731782), (119, 688736), (136, 602644), (224, 365891), (238, 344368), (272, 301322), (476, 172184), (544, 150661), (952, 86092), (1904, 43046), (3808, 21523)]