388707662

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{10513}}^1$

素因数の和:10680

約数の個数: 32

約数和(自身を含む): 706540800

約数和(自身を除く): 317833138

約数列:

[1, 2, 7, 14, 19, 38, 133, 139, 266, 278, 973, 1946, 2641, 5282, 10513, 18487, 21026, 36974, 73591, 147182, 199747, 399494, 1398229, 1461307, 2796458, 2922614, 10229149, 20458298, 27764833, 55529666, 194353831, 388707662]

約数ペア:

[(1, 388707662), (2, 194353831), (7, 55529666), (14, 27764833), (19, 20458298), (38, 10229149), (133, 2922614), (139, 2796458), (266, 1461307), (278, 1398229), (973, 399494), (1946, 199747), (2641, 147182), (5282, 73591), (10513, 36974), (18487, 21026)]