120728912

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{142369}}^1$

素因数の和:142430

約数の個数: 20

約数和(自身を含む): 238327380

約数和(自身を除く): 117598468

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 142369, 284738, 569476, 1138952, 2277904, 7545557, 15091114, 30182228, 60364456, 120728912]

約数ペア:

[(1, 120728912), (2, 60364456), (4, 30182228), (8, 15091114), (16, 7545557), (53, 2277904), (106, 1138952), (212, 569476), (424, 284738), (848, 142369)]