861992

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{107}}^1$

素因数の和:185

約数の個数: 32

約数和(自身を含む): 1749600

約数和(自身を除く): 887608

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 107, 152, 212, 214, 424, 428, 856, 1007, 2014, 2033, 4028, 4066, 5671, 8056, 8132, 11342, 16264, 22684, 45368, 107749, 215498, 430996, 861992]

約数ペア:

[(1, 861992), (2, 430996), (4, 215498), (8, 107749), (19, 45368), (38, 22684), (53, 16264), (76, 11342), (106, 8132), (107, 8056), (152, 5671), (212, 4066), (214, 4028), (424, 2033), (428, 2014), (856, 1007)]