81427388

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153059}}^1$

素因数の和:153089

約数の個数: 24

約数和(自身を含む): 171427200

約数和(自身を除く): 89999812

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153059, 306118, 612236, 1071413, 2142826, 2908121, 4285652, 5816242, 11632484, 20356847, 40713694, 81427388]

約数ペア:

[(1, 81427388), (2, 40713694), (4, 20356847), (7, 11632484), (14, 5816242), (19, 4285652), (28, 2908121), (38, 2142826), (76, 1071413), (133, 612236), (266, 306118), (532, 153059)]