123771985

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{173}}^1\times {\mathrm{443}}^1$

素因数の和:657

約数の個数: 32

約数和(自身を含む): 166872960

約数和(自身を除く): 43100975

約数列:

[1, 5, 17, 19, 85, 95, 173, 323, 443, 865, 1615, 2215, 2941, 3287, 7531, 8417, 14705, 16435, 37655, 42085, 55879, 76639, 143089, 279395, 383195, 715445, 1302863, 1456141, 6514315, 7280705, 24754397, 123771985]

約数ペア:

[(1, 123771985), (5, 24754397), (17, 7280705), (19, 6514315), (85, 1456141), (95, 1302863), (173, 715445), (323, 383195), (443, 279395), (865, 143089), (1615, 76639), (2215, 55879), (2941, 42085), (3287, 37655), (7531, 16435), (8417, 14705)]