638521344

素因数分解:

$2^{12}\times 3^2\times {\mathrm{17321}}^1$

素因数の和:17351

約数の個数: 78

約数和(自身を含む): 1844498526

約数和(自身を除く): 1205977182

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 128, 144, 192, 256, 288, 384, 512, 576, 768, 1024, 1152, 1536, 2048, 2304, 3072, 4096, 4608, 6144, 9216, 12288, 17321, 18432, 34642, 36864, 51963, 69284, 103926, 138568, 155889, 207852, 277136, 311778, 415704, 554272, 623556, 831408, 1108544, 1247112, 1662816, 2217088, 2494224, 3325632, 4434176, 4988448, 6651264, 8868352, 9976896, 13302528, 17736704, 19953792, 26605056, 35473408, 39907584, 53210112, 70946816, 79815168, 106420224, 159630336, 212840448, 319260672, 638521344]

約数ペア:

[(1, 638521344), (2, 319260672), (3, 212840448), (4, 159630336), (6, 106420224), (8, 79815168), (9, 70946816), (12, 53210112), (16, 39907584), (18, 35473408), (24, 26605056), (32, 19953792), (36, 17736704), (48, 13302528), (64, 9976896), (72, 8868352), (96, 6651264), (128, 4988448), (144, 4434176), (192, 3325632), (256, 2494224), (288, 2217088), (384, 1662816), (512, 1247112), (576, 1108544), (768, 831408), (1024, 623556), (1152, 554272), (1536, 415704), (2048, 311778), (2304, 277136), (3072, 207852), (4096, 155889), (4608, 138568), (6144, 103926), (9216, 69284), (12288, 51963), (17321, 36864), (18432, 34642)]