81370578

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:367

約数の個数: 64

約数和(自身を含む): 179481600

約数和(自身を除く): 98111022

約数列:

[1, 2, 3, 6, 19, 29, 38, 57, 58, 87, 114, 151, 163, 174, 302, 326, 453, 489, 551, 906, 978, 1102, 1653, 2869, 3097, 3306, 4379, 4727, 5738, 6194, 8607, 8758, 9291, 9454, 13137, 14181, 17214, 18582, 24613, 26274, 28362, 49226, 73839, 83201, 89813, 147678, 166402, 179626, 249603, 269439, 467647, 499206, 538878, 713777, 935294, 1402941, 1427554, 2141331, 2805882, 4282662, 13561763, 27123526, 40685289, 81370578]

約数ペア:

[(1, 81370578), (2, 40685289), (3, 27123526), (6, 13561763), (19, 4282662), (29, 2805882), (38, 2141331), (57, 1427554), (58, 1402941), (87, 935294), (114, 713777), (151, 538878), (163, 499206), (174, 467647), (302, 269439), (326, 249603), (453, 179626), (489, 166402), (551, 147678), (906, 89813), (978, 83201), (1102, 73839), (1653, 49226), (2869, 28362), (3097, 26274), (3306, 24613), (4379, 18582), (4727, 17214), (5738, 14181), (6194, 13137), (8607, 9454), (8758, 9291)]