123945904

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{181}}^1\times {\mathrm{337}}^1$

素因数の和:653

約数の個数: 40

約数和(自身を含む): 244095488

約数和(自身を除く): 120149584

約数列:

[1, 2, 4, 8, 16, 127, 181, 254, 337, 362, 508, 674, 724, 1016, 1348, 1448, 2032, 2696, 2896, 5392, 22987, 42799, 45974, 60997, 85598, 91948, 121994, 171196, 183896, 243988, 342392, 367792, 487976, 684784, 975952, 7746619, 15493238, 30986476, 61972952, 123945904]

約数ペア:

[(1, 123945904), (2, 61972952), (4, 30986476), (8, 15493238), (16, 7746619), (127, 975952), (181, 684784), (254, 487976), (337, 367792), (362, 342392), (508, 243988), (674, 183896), (724, 171196), (1016, 121994), (1348, 91948), (1448, 85598), (2032, 60997), (2696, 45974), (2896, 42799), (5392, 22987)]