639642752

素因数分解:

$2^7\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37573}}^1$

素因数の和:37613

約数の個数: 64

約数和(自身を含む): 1533019200

約数和(自身を除く): 893376448

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 64, 76, 112, 128, 133, 152, 224, 266, 304, 448, 532, 608, 896, 1064, 1216, 2128, 2432, 4256, 8512, 17024, 37573, 75146, 150292, 263011, 300584, 526022, 601168, 713887, 1052044, 1202336, 1427774, 2104088, 2404672, 2855548, 4208176, 4809344, 4997209, 5711096, 8416352, 9994418, 11422192, 16832704, 19988836, 22844384, 33665408, 39977672, 45688768, 79955344, 91377536, 159910688, 319821376, 639642752]

約数ペア:

[(1, 639642752), (2, 319821376), (4, 159910688), (7, 91377536), (8, 79955344), (14, 45688768), (16, 39977672), (19, 33665408), (28, 22844384), (32, 19988836), (38, 16832704), (56, 11422192), (64, 9994418), (76, 8416352), (112, 5711096), (128, 4997209), (133, 4809344), (152, 4208176), (224, 2855548), (266, 2404672), (304, 2104088), (448, 1427774), (532, 1202336), (608, 1052044), (896, 713887), (1064, 601168), (1216, 526022), (2128, 300584), (2432, 263011), (4256, 150292), (8512, 75146), (17024, 37573)]