13998980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 30890496

約数和(自身を除く): 16891516

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 337, 620, 670, 674, 1340, 1348, 1685, 2077, 3370, 4154, 6740, 8308, 10385, 10447, 20770, 20894, 22579, 41540, 41788, 45158, 52235, 90316, 104470, 112895, 208940, 225790, 451580, 699949, 1399898, 2799796, 3499745, 6999490, 13998980]

約数ペア:

[(1, 13998980), (2, 6999490), (4, 3499745), (5, 2799796), (10, 1399898), (20, 699949), (31, 451580), (62, 225790), (67, 208940), (124, 112895), (134, 104470), (155, 90316), (268, 52235), (310, 45158), (335, 41788), (337, 41540), (620, 22579), (670, 20894), (674, 20770), (1340, 10447), (1348, 10385), (1685, 8308), (2077, 6740), (3370, 4154)]