29905855

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 43388928

約数和(自身を除く): 13483073

約数列:

[1, 5, 7, 31, 35, 43, 155, 215, 217, 301, 641, 1085, 1333, 1505, 3205, 4487, 6665, 9331, 19871, 22435, 27563, 46655, 99355, 137815, 139097, 192941, 695485, 854453, 964705, 4272265, 5981171, 29905855]

約数ペア:

[(1, 29905855), (5, 5981171), (7, 4272265), (31, 964705), (35, 854453), (43, 695485), (155, 192941), (215, 139097), (217, 137815), (301, 99355), (641, 46655), (1085, 27563), (1333, 22435), (1505, 19871), (3205, 9331), (4487, 6665)]