388298554

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{397}}^1\times {\mathrm{3677}}^1$

素因数の和:4102

約数の個数: 32

約数和(自身を含む): 702645120

約数和(自身を除く): 314346566

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 397, 794, 2779, 3677, 5558, 7354, 7543, 15086, 25739, 51478, 52801, 69863, 105602, 139726, 489041, 978082, 1459769, 2919538, 10218383, 20436766, 27735611, 55471222, 194149277, 388298554]

約数ペア:

[(1, 388298554), (2, 194149277), (7, 55471222), (14, 27735611), (19, 20436766), (38, 10218383), (133, 2919538), (266, 1459769), (397, 978082), (794, 489041), (2779, 139726), (3677, 105602), (5558, 69863), (7354, 52801), (7543, 51478), (15086, 25739)]