128686173

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:554

約数の個数: 64

約数和(自身を含む): 227930112

約数和(自身を除く): 99243939

約数列:

[1, 3, 7, 11, 21, 23, 33, 53, 69, 77, 159, 161, 231, 253, 371, 457, 483, 583, 759, 1113, 1219, 1371, 1749, 1771, 3199, 3657, 4081, 5027, 5313, 8533, 9597, 10511, 12243, 13409, 15081, 24221, 25599, 31533, 35189, 40227, 72663, 73577, 93863, 105567, 115621, 169547, 220731, 266431, 281589, 346863, 508641, 557083, 799293, 809347, 1671249, 1865017, 2428041, 3899581, 5595051, 6127913, 11698743, 18383739, 42895391, 128686173]

約数ペア:

[(1, 128686173), (3, 42895391), (7, 18383739), (11, 11698743), (21, 6127913), (23, 5595051), (33, 3899581), (53, 2428041), (69, 1865017), (77, 1671249), (159, 809347), (161, 799293), (231, 557083), (253, 508641), (371, 346863), (457, 281589), (483, 266431), (583, 220731), (759, 169547), (1113, 115621), (1219, 105567), (1371, 93863), (1749, 73577), (1771, 72663), (3199, 40227), (3657, 35189), (4081, 31533), (5027, 25599), (5313, 24221), (8533, 15081), (9597, 13409), (10511, 12243)]