1387350721

素因数分解:

${\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{17431}}^1$

素因数の和:17580

約数の個数: 16

約数和(自身を含む): 1506124800

約数和(自身を除く): 118774079

約数列:

[1, 19, 59, 71, 1121, 1349, 4189, 17431, 79591, 331189, 1028429, 1237601, 19540151, 23514419, 73018459, 1387350721]

約数ペア:

[(1, 1387350721), (19, 73018459), (59, 23514419), (71, 19540151), (1121, 1237601), (1349, 1028429), (4189, 331189), (17431, 79591)]