161666676

素因数分解:

$2^2\times 3^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{271}}^1$

素因数の和:581

約数の個数: 72

約数和(自身を含む): 417615744

約数和(自身を除く): 255949068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 73, 146, 219, 227, 271, 292, 438, 454, 542, 657, 681, 813, 876, 908, 1084, 1314, 1362, 1626, 2043, 2439, 2628, 2724, 3252, 4086, 4878, 8172, 9756, 16571, 19783, 33142, 39566, 49713, 59349, 61517, 66284, 79132, 99426, 118698, 123034, 149139, 178047, 184551, 198852, 237396, 246068, 298278, 356094, 369102, 553653, 596556, 712188, 738204, 1107306, 2214612, 4490741, 8981482, 13472223, 17962964, 26944446, 40416669, 53888892, 80833338, 161666676]

約数ペア:

[(1, 161666676), (2, 80833338), (3, 53888892), (4, 40416669), (6, 26944446), (9, 17962964), (12, 13472223), (18, 8981482), (36, 4490741), (73, 2214612), (146, 1107306), (219, 738204), (227, 712188), (271, 596556), (292, 553653), (438, 369102), (454, 356094), (542, 298278), (657, 246068), (681, 237396), (813, 198852), (876, 184551), (908, 178047), (1084, 149139), (1314, 123034), (1362, 118698), (1626, 99426), (2043, 79132), (2439, 66284), (2628, 61517), (2724, 59349), (3252, 49713), (4086, 39566), (4878, 33142), (8172, 19783), (9756, 16571)]