638761968

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{341219}}^1$

素因数の和:341246

約数の個数: 60

約数和(自身を含む): 1925163240

約数和(自身を除く): 1286401272

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 208, 234, 312, 468, 624, 936, 1872, 341219, 682438, 1023657, 1364876, 2047314, 2729752, 3070971, 4094628, 4435847, 5459504, 6141942, 8189256, 8871694, 12283884, 13307541, 16378512, 17743388, 24567768, 26615082, 35486776, 39922623, 49135536, 53230164, 70973552, 79845246, 106460328, 159690492, 212920656, 319380984, 638761968]

約数ペア:

[(1, 638761968), (2, 319380984), (3, 212920656), (4, 159690492), (6, 106460328), (8, 79845246), (9, 70973552), (12, 53230164), (13, 49135536), (16, 39922623), (18, 35486776), (24, 26615082), (26, 24567768), (36, 17743388), (39, 16378512), (48, 13307541), (52, 12283884), (72, 8871694), (78, 8189256), (104, 6141942), (117, 5459504), (144, 4435847), (156, 4094628), (208, 3070971), (234, 2729752), (312, 2047314), (468, 1364876), (624, 1023657), (936, 682438), (1872, 341219)]