138465215

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{431}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 194586624

約数和(自身を除く): 56121409

約数列:

[1, 5, 7, 35, 67, 137, 335, 431, 469, 685, 959, 2155, 2345, 3017, 4795, 9179, 15085, 28877, 45895, 59047, 64253, 144385, 202139, 295235, 321265, 413329, 1010695, 2066645, 3956149, 19780745, 27693043, 138465215]

約数ペア:

[(1, 138465215), (5, 27693043), (7, 19780745), (35, 3956149), (67, 2066645), (137, 1010695), (335, 413329), (431, 321265), (469, 295235), (685, 202139), (959, 144385), (2155, 64253), (2345, 59047), (3017, 45895), (4795, 28877), (9179, 15085)]