51142721

素因数分解:

$7^2\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{419}}^1$

素因数の和:533

約数の個数: 24

約数和(自身を含む): 62052480

約数和(自身を除く): 10909759

約数列:

[1, 7, 47, 49, 53, 329, 371, 419, 2303, 2491, 2597, 2933, 17437, 19693, 20531, 22207, 122059, 137851, 155449, 964957, 1043729, 1088143, 7306103, 51142721]

約数ペア:

[(1, 51142721), (7, 7306103), (47, 1088143), (49, 1043729), (53, 964957), (329, 155449), (371, 137851), (419, 122059), (2303, 22207), (2491, 20531), (2597, 19693), (2933, 17437)]