128844928

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1709}}^1$

素因数の和:1773

約数の個数: 64

約数和(自身を含む): 279072000

約数和(自身を除く): 150227072

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 124, 128, 152, 248, 304, 496, 589, 608, 992, 1178, 1216, 1709, 1984, 2356, 2432, 3418, 3968, 4712, 6836, 9424, 13672, 18848, 27344, 32471, 37696, 52979, 54688, 64942, 75392, 105958, 109376, 129884, 211916, 218752, 259768, 423832, 519536, 847664, 1006601, 1039072, 1695328, 2013202, 2078144, 3390656, 4026404, 4156288, 6781312, 8052808, 16105616, 32211232, 64422464, 128844928]

約数ペア:

[(1, 128844928), (2, 64422464), (4, 32211232), (8, 16105616), (16, 8052808), (19, 6781312), (31, 4156288), (32, 4026404), (38, 3390656), (62, 2078144), (64, 2013202), (76, 1695328), (124, 1039072), (128, 1006601), (152, 847664), (248, 519536), (304, 423832), (496, 259768), (589, 218752), (608, 211916), (992, 129884), (1178, 109376), (1216, 105958), (1709, 75392), (1984, 64942), (2356, 54688), (2432, 52979), (3418, 37696), (3968, 32471), (4712, 27344), (6836, 18848), (9424, 13672)]