251017144

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{104243}}^1$

素因数の和:104299

約数の個数: 32

約数和(自身を含む): 550408320

約数和(自身を除く): 299391176

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 104243, 208486, 416972, 729701, 833944, 1459402, 2918804, 4482449, 5837608, 8964898, 17929796, 31377143, 35859592, 62754286, 125508572, 251017144]

約数ペア:

[(1, 251017144), (2, 125508572), (4, 62754286), (7, 35859592), (8, 31377143), (14, 17929796), (28, 8964898), (43, 5837608), (56, 4482449), (86, 2918804), (172, 1459402), (301, 833944), (344, 729701), (602, 416972), (1204, 208486), (2408, 104243)]