77899952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{617}}^1$

素因数の和:1245

約数の個数: 40

約数和(自身を含む): 163072896

約数和(自身を除く): 85172944

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 607, 617, 1214, 1234, 2428, 2468, 4856, 4936, 7891, 8021, 9712, 9872, 15782, 16042, 31564, 32084, 63128, 64168, 126256, 128336, 374519, 749038, 1498076, 2996152, 4868747, 5992304, 9737494, 19474988, 38949976, 77899952]

約数ペア:

[(1, 77899952), (2, 38949976), (4, 19474988), (8, 9737494), (13, 5992304), (16, 4868747), (26, 2996152), (52, 1498076), (104, 749038), (208, 374519), (607, 128336), (617, 126256), (1214, 64168), (1234, 63128), (2428, 32084), (2468, 31564), (4856, 16042), (4936, 15782), (7891, 9872), (8021, 9712)]