643511296

素因数分解:

$2^{10}\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{307}}^1$

素因数の和:439

約数の個数: 88

約数和(自身を含む): 1361828160

約数和(自身を除く): 718316864

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 256, 307, 356, 368, 512, 614, 712, 736, 1024, 1228, 1424, 1472, 2047, 2456, 2848, 2944, 4094, 4912, 5696, 5888, 7061, 8188, 9824, 11392, 11776, 14122, 16376, 19648, 22784, 23552, 27323, 28244, 32752, 39296, 45568, 54646, 56488, 65504, 78592, 91136, 109292, 112976, 131008, 157184, 218584, 225952, 262016, 314368, 437168, 451904, 524032, 628429, 874336, 903808, 1048064, 1256858, 1748672, 1807616, 2096128, 2513716, 3497344, 3615232, 5027432, 6994688, 7230464, 10054864, 13989376, 20109728, 27978752, 40219456, 80438912, 160877824, 321755648, 643511296]

約数ペア:

[(1, 643511296), (2, 321755648), (4, 160877824), (8, 80438912), (16, 40219456), (23, 27978752), (32, 20109728), (46, 13989376), (64, 10054864), (89, 7230464), (92, 6994688), (128, 5027432), (178, 3615232), (184, 3497344), (256, 2513716), (307, 2096128), (356, 1807616), (368, 1748672), (512, 1256858), (614, 1048064), (712, 903808), (736, 874336), (1024, 628429), (1228, 524032), (1424, 451904), (1472, 437168), (2047, 314368), (2456, 262016), (2848, 225952), (2944, 218584), (4094, 157184), (4912, 131008), (5696, 112976), (5888, 109292), (7061, 91136), (8188, 78592), (9824, 65504), (11392, 56488), (11776, 54646), (14122, 45568), (16376, 39296), (19648, 32752), (22784, 28244), (23552, 27323)]