208911232

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:244

約数の個数: 128

約数和(自身を含む): 481766400

約数和(自身を除く): 272855168

約数列:

[1, 2, 4, 8, 16, 17, 19, 31, 32, 34, 38, 62, 64, 68, 76, 124, 128, 136, 152, 163, 248, 272, 304, 323, 326, 496, 527, 544, 589, 608, 646, 652, 992, 1054, 1088, 1178, 1216, 1292, 1304, 1984, 2108, 2176, 2356, 2432, 2584, 2608, 2771, 3097, 3968, 4216, 4712, 5053, 5168, 5216, 5542, 6194, 8432, 9424, 10013, 10106, 10336, 10432, 11084, 12388, 16864, 18848, 20026, 20212, 20672, 20864, 22168, 24776, 33728, 37696, 40052, 40424, 41344, 44336, 49552, 52649, 67456, 75392, 80104, 80848, 85901, 88672, 96007, 99104, 105298, 160208, 161696, 171802, 177344, 192014, 198208, 210596, 320416, 323392, 343604, 354688, 384028, 396416, 421192, 640832, 646784, 687208, 768056, 842384, 1281664, 1374416, 1536112, 1632119, 1684768, 2748832, 3072224, 3264238, 3369536, 5497664, 6144448, 6528476, 6739072, 10995328, 12288896, 13056952, 26113904, 52227808, 104455616, 208911232]

約数ペア:

[(1, 208911232), (2, 104455616), (4, 52227808), (8, 26113904), (16, 13056952), (17, 12288896), (19, 10995328), (31, 6739072), (32, 6528476), (34, 6144448), (38, 5497664), (62, 3369536), (64, 3264238), (68, 3072224), (76, 2748832), (124, 1684768), (128, 1632119), (136, 1536112), (152, 1374416), (163, 1281664), (248, 842384), (272, 768056), (304, 687208), (323, 646784), (326, 640832), (496, 421192), (527, 396416), (544, 384028), (589, 354688), (608, 343604), (646, 323392), (652, 320416), (992, 210596), (1054, 198208), (1088, 192014), (1178, 177344), (1216, 171802), (1292, 161696), (1304, 160208), (1984, 105298), (2108, 99104), (2176, 96007), (2356, 88672), (2432, 85901), (2584, 80848), (2608, 80104), (2771, 75392), (3097, 67456), (3968, 52649), (4216, 49552), (4712, 44336), (5053, 41344), (5168, 40424), (5216, 40052), (5542, 37696), (6194, 33728), (8432, 24776), (9424, 22168), (10013, 20864), (10106, 20672), (10336, 20212), (10432, 20026), (11084, 18848), (12388, 16864)]