257337216

素因数分解:

$2^7\times 3^3\times {\mathrm{19}}^1\times {\mathrm{3919}}^1$

素因数の和:3961

約数の個数: 128

約数和(自身を含む): 799680000

約数和(自身を除く): 542342784

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 19, 24, 27, 32, 36, 38, 48, 54, 57, 64, 72, 76, 96, 108, 114, 128, 144, 152, 171, 192, 216, 228, 288, 304, 342, 384, 432, 456, 513, 576, 608, 684, 864, 912, 1026, 1152, 1216, 1368, 1728, 1824, 2052, 2432, 2736, 3456, 3648, 3919, 4104, 5472, 7296, 7838, 8208, 10944, 11757, 15676, 16416, 21888, 23514, 31352, 32832, 35271, 47028, 62704, 65664, 70542, 74461, 94056, 105813, 125408, 141084, 148922, 188112, 211626, 223383, 250816, 282168, 297844, 376224, 423252, 446766, 501632, 564336, 595688, 670149, 752448, 846504, 893532, 1128672, 1191376, 1340298, 1504896, 1693008, 1787064, 2010447, 2257344, 2382752, 2680596, 3386016, 3574128, 4020894, 4514688, 4765504, 5361192, 6772032, 7148256, 8041788, 9531008, 10722384, 13544064, 14296512, 16083576, 21444768, 28593024, 32167152, 42889536, 64334304, 85779072, 128668608, 257337216]

約数ペア:

[(1, 257337216), (2, 128668608), (3, 85779072), (4, 64334304), (6, 42889536), (8, 32167152), (9, 28593024), (12, 21444768), (16, 16083576), (18, 14296512), (19, 13544064), (24, 10722384), (27, 9531008), (32, 8041788), (36, 7148256), (38, 6772032), (48, 5361192), (54, 4765504), (57, 4514688), (64, 4020894), (72, 3574128), (76, 3386016), (96, 2680596), (108, 2382752), (114, 2257344), (128, 2010447), (144, 1787064), (152, 1693008), (171, 1504896), (192, 1340298), (216, 1191376), (228, 1128672), (288, 893532), (304, 846504), (342, 752448), (384, 670149), (432, 595688), (456, 564336), (513, 501632), (576, 446766), (608, 423252), (684, 376224), (864, 297844), (912, 282168), (1026, 250816), (1152, 223383), (1216, 211626), (1368, 188112), (1728, 148922), (1824, 141084), (2052, 125408), (2432, 105813), (2736, 94056), (3456, 74461), (3648, 70542), (3919, 65664), (4104, 62704), (5472, 47028), (7296, 35271), (7838, 32832), (8208, 31352), (10944, 23514), (11757, 21888), (15676, 16416)]