289740416

素因数分解:

$2^7\times 7^1\times {\mathrm{323371}}^1$

素因数の和:323392

約数の個数: 32

約数和(自身を含む): 659678880

約数和(自身を除く): 369938464

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 323371, 646742, 1293484, 2263597, 2586968, 4527194, 5173936, 9054388, 10347872, 18108776, 20695744, 36217552, 41391488, 72435104, 144870208, 289740416]

約数ペア:

[(1, 289740416), (2, 144870208), (4, 72435104), (7, 41391488), (8, 36217552), (14, 20695744), (16, 18108776), (28, 10347872), (32, 9054388), (56, 5173936), (64, 4527194), (112, 2586968), (128, 2263597), (224, 1293484), (448, 646742), (896, 323371)]