64704848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4643}}^1$

素因数の和:4731

約数の個数: 40

約数和(自身を含む): 137053728

約数和(自身を除く): 72348880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1742, 3484, 4643, 6968, 9286, 13936, 18572, 37144, 60359, 74288, 120718, 241436, 311081, 482872, 622162, 965744, 1244324, 2488648, 4044053, 4977296, 8088106, 16176212, 32352424, 64704848]

約数ペア:

[(1, 64704848), (2, 32352424), (4, 16176212), (8, 8088106), (13, 4977296), (16, 4044053), (26, 2488648), (52, 1244324), (67, 965744), (104, 622162), (134, 482872), (208, 311081), (268, 241436), (536, 120718), (871, 74288), (1072, 60359), (1742, 37144), (3484, 18572), (4643, 13936), (6968, 9286)]