205990438

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1372

約数の個数: 32

約数和(自身を含む): 341303040

約数和(自身を除く): 135312602

約数列:

[1, 2, 19, 23, 38, 46, 211, 422, 437, 874, 1117, 2234, 4009, 4853, 8018, 9706, 21223, 25691, 42446, 51382, 92207, 184414, 235687, 471374, 488129, 976258, 4478053, 5420801, 8956106, 10841602, 102995219, 205990438]

約数ペア:

[(1, 205990438), (2, 102995219), (19, 10841602), (23, 8956106), (38, 5420801), (46, 4478053), (211, 976258), (422, 488129), (437, 471374), (874, 235687), (1117, 184414), (2234, 92207), (4009, 51382), (4853, 42446), (8018, 25691), (9706, 21223)]