81445504

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5347}}^1$

素因数の和:5385

約数の個数: 64

約数和(自身を含む): 196378560

約数和(自身を除く): 114933056

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 224, 238, 272, 448, 476, 544, 896, 952, 1088, 1904, 2176, 3808, 5347, 7616, 10694, 15232, 21388, 37429, 42776, 74858, 85552, 90899, 149716, 171104, 181798, 299432, 342208, 363596, 598864, 636293, 684416, 727192, 1197728, 1272586, 1454384, 2395456, 2545172, 2908768, 4790912, 5090344, 5817536, 10180688, 11635072, 20361376, 40722752, 81445504]

約数ペア:

[(1, 81445504), (2, 40722752), (4, 20361376), (7, 11635072), (8, 10180688), (14, 5817536), (16, 5090344), (17, 4790912), (28, 2908768), (32, 2545172), (34, 2395456), (56, 1454384), (64, 1272586), (68, 1197728), (112, 727192), (119, 684416), (128, 636293), (136, 598864), (224, 363596), (238, 342208), (272, 299432), (448, 181798), (476, 171104), (544, 149716), (896, 90899), (952, 85552), (1088, 74858), (1904, 42776), (2176, 37429), (3808, 21388), (5347, 15232), (7616, 10694)]