87974551

素因数分解:

$7^2\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{211}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 105179136

約数和(自身を除く): 17204585

約数列:

[1, 7, 49, 67, 127, 211, 469, 889, 1477, 3283, 6223, 8509, 10339, 14137, 26797, 59563, 98959, 187579, 416941, 692713, 1313053, 1795399, 12567793, 87974551]

約数ペア:

[(1, 87974551), (7, 12567793), (49, 1795399), (67, 1313053), (127, 692713), (211, 416941), (469, 187579), (889, 98959), (1477, 59563), (3283, 26797), (6223, 14137), (8509, 10339)]