77181988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{2273}}^1$

素因数の和:2943

約数の個数: 24

約数和(自身を含む): 145745208

約数和(自身を除く): 68563220

約数列:

[1, 2, 4, 13, 26, 52, 653, 1306, 2273, 2612, 4546, 8489, 9092, 16978, 29549, 33956, 59098, 118196, 1484269, 2968538, 5937076, 19295497, 38590994, 77181988]

約数ペア:

[(1, 77181988), (2, 38590994), (4, 19295497), (13, 5937076), (26, 2968538), (52, 1484269), (653, 118196), (1306, 59098), (2273, 33956), (2612, 29549), (4546, 16978), (8489, 9092)]