74414431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{193}}^1\times {\mathrm{223}}^1$

素因数の和:455

約数の個数: 32

約数和(自身を含む): 97341440

約数和(自身を除く): 22927009

約数列:

[1, 7, 13, 19, 91, 133, 193, 223, 247, 1351, 1561, 1729, 2509, 2899, 3667, 4237, 17563, 20293, 25669, 29659, 43039, 47671, 55081, 301273, 333697, 385567, 559507, 817741, 3916549, 5724187, 10630633, 74414431]

約数ペア:

[(1, 74414431), (7, 10630633), (13, 5724187), (19, 3916549), (91, 817741), (133, 559507), (193, 385567), (223, 333697), (247, 301273), (1351, 55081), (1561, 47671), (1729, 43039), (2509, 29659), (2899, 25669), (3667, 20293), (4237, 17563)]