64710485

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:178

約数の個数: 64

約数和(自身を含む): 100024320

約数和(自身を除く): 35313835

約数列:

[1, 5, 7, 19, 31, 35, 43, 73, 95, 133, 155, 215, 217, 301, 365, 511, 589, 665, 817, 1085, 1333, 1387, 1505, 2263, 2555, 2945, 3139, 4085, 4123, 5719, 6665, 6935, 9331, 9709, 11315, 15695, 15841, 20615, 21973, 25327, 28595, 42997, 46655, 48545, 59641, 79205, 97309, 109865, 126635, 177289, 214985, 298205, 300979, 417487, 486545, 681163, 886445, 1504895, 1848871, 2087435, 3405815, 9244355, 12942097, 64710485]

約数ペア:

[(1, 64710485), (5, 12942097), (7, 9244355), (19, 3405815), (31, 2087435), (35, 1848871), (43, 1504895), (73, 886445), (95, 681163), (133, 486545), (155, 417487), (215, 300979), (217, 298205), (301, 214985), (365, 177289), (511, 126635), (589, 109865), (665, 97309), (817, 79205), (1085, 59641), (1333, 48545), (1387, 46655), (1505, 42997), (2263, 28595), (2555, 25327), (2945, 21973), (3139, 20615), (4085, 15841), (4123, 15695), (5719, 11315), (6665, 9709), (6935, 9331)]