643400576

素因数分解:

$2^7\times 7^2\times {\mathrm{13}}^2\times {\mathrm{607}}^1$

素因数の和:661

約数の個数: 144

約数和(自身を含む): 1617222240

約数和(自身を除く): 973821664

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 32, 49, 52, 56, 64, 91, 98, 104, 112, 128, 169, 182, 196, 208, 224, 338, 364, 392, 416, 448, 607, 637, 676, 728, 784, 832, 896, 1183, 1214, 1274, 1352, 1456, 1568, 1664, 2366, 2428, 2548, 2704, 2912, 3136, 4249, 4732, 4856, 5096, 5408, 5824, 6272, 7891, 8281, 8498, 9464, 9712, 10192, 10816, 11648, 15782, 16562, 16996, 18928, 19424, 20384, 21632, 29743, 31564, 33124, 33992, 37856, 38848, 40768, 55237, 59486, 63128, 66248, 67984, 75712, 77696, 81536, 102583, 110474, 118972, 126256, 132496, 135968, 151424, 205166, 220948, 237944, 252512, 264992, 271936, 386659, 410332, 441896, 475888, 505024, 529984, 543872, 718081, 773318, 820664, 883792, 951776, 1010048, 1059968, 1436162, 1546636, 1641328, 1767584, 1903552, 2872324, 3093272, 3282656, 3535168, 3807104, 5026567, 5744648, 6186544, 6565312, 7070336, 10053134, 11489296, 12373088, 13130624, 20106268, 22978592, 24746176, 40212536, 45957184, 49492352, 80425072, 91914368, 160850144, 321700288, 643400576]

約数ペア:

[(1, 643400576), (2, 321700288), (4, 160850144), (7, 91914368), (8, 80425072), (13, 49492352), (14, 45957184), (16, 40212536), (26, 24746176), (28, 22978592), (32, 20106268), (49, 13130624), (52, 12373088), (56, 11489296), (64, 10053134), (91, 7070336), (98, 6565312), (104, 6186544), (112, 5744648), (128, 5026567), (169, 3807104), (182, 3535168), (196, 3282656), (208, 3093272), (224, 2872324), (338, 1903552), (364, 1767584), (392, 1641328), (416, 1546636), (448, 1436162), (607, 1059968), (637, 1010048), (676, 951776), (728, 883792), (784, 820664), (832, 773318), (896, 718081), (1183, 543872), (1214, 529984), (1274, 505024), (1352, 475888), (1456, 441896), (1568, 410332), (1664, 386659), (2366, 271936), (2428, 264992), (2548, 252512), (2704, 237944), (2912, 220948), (3136, 205166), (4249, 151424), (4732, 135968), (4856, 132496), (5096, 126256), (5408, 118972), (5824, 110474), (6272, 102583), (7891, 81536), (8281, 77696), (8498, 75712), (9464, 67984), (9712, 66248), (10192, 63128), (10816, 59486), (11648, 55237), (15782, 40768), (16562, 38848), (16996, 37856), (18928, 33992), (19424, 33124), (20384, 31564), (21632, 29743)]