27638008

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{521}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 54810000

約数和(自身を除く): 27171992

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 349, 521, 698, 1042, 1396, 2084, 2792, 4168, 6631, 9899, 13262, 19798, 26524, 39596, 53048, 79192, 181829, 363658, 727316, 1454632, 3454751, 6909502, 13819004, 27638008]

約数ペア:

[(1, 27638008), (2, 13819004), (4, 6909502), (8, 3454751), (19, 1454632), (38, 727316), (76, 363658), (152, 181829), (349, 79192), (521, 53048), (698, 39596), (1042, 26524), (1396, 19798), (2084, 13262), (2792, 9899), (4168, 6631)]