644392008

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{688453}}^1$

素因数の和:688478

約数の個数: 48

約数和(自身を含む): 1879479420

約数和(自身を除く): 1235087412

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 688453, 1376906, 2065359, 2753812, 4130718, 5507624, 6196077, 8261436, 8949889, 12392154, 16522872, 17899778, 24784308, 26849667, 35799556, 49568616, 53699334, 71599112, 80549001, 107398668, 161098002, 214797336, 322196004, 644392008]

約数ペア:

[(1, 644392008), (2, 322196004), (3, 214797336), (4, 161098002), (6, 107398668), (8, 80549001), (9, 71599112), (12, 53699334), (13, 49568616), (18, 35799556), (24, 26849667), (26, 24784308), (36, 17899778), (39, 16522872), (52, 12392154), (72, 8949889), (78, 8261436), (104, 6196077), (117, 5507624), (156, 4130718), (234, 2753812), (312, 2065359), (468, 1376906), (936, 688453)]