247904384

素因数分解:

$2^7\times 7^1\times {\mathrm{13}}^1\times {\mathrm{21283}}^1$

素因数の和:21317

約数の個数: 64

約数和(自身を含む): 607871040

約数和(自身を除く): 359966656

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 52, 56, 64, 91, 104, 112, 128, 182, 208, 224, 364, 416, 448, 728, 832, 896, 1456, 1664, 2912, 5824, 11648, 21283, 42566, 85132, 148981, 170264, 276679, 297962, 340528, 553358, 595924, 681056, 1106716, 1191848, 1362112, 1936753, 2213432, 2383696, 2724224, 3873506, 4426864, 4767392, 7747012, 8853728, 9534784, 15494024, 17707456, 19069568, 30988048, 35414912, 61976096, 123952192, 247904384]

約数ペア:

[(1, 247904384), (2, 123952192), (4, 61976096), (7, 35414912), (8, 30988048), (13, 19069568), (14, 17707456), (16, 15494024), (26, 9534784), (28, 8853728), (32, 7747012), (52, 4767392), (56, 4426864), (64, 3873506), (91, 2724224), (104, 2383696), (112, 2213432), (128, 1936753), (182, 1362112), (208, 1191848), (224, 1106716), (364, 681056), (416, 595924), (448, 553358), (728, 340528), (832, 297962), (896, 276679), (1456, 170264), (1664, 148981), (2912, 85132), (5824, 42566), (11648, 21283)]