489904

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:532

約数の個数: 20

約数和(自身を含む): 965464

約数和(自身を除く): 475560

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 457, 536, 914, 1072, 1828, 3656, 7312, 30619, 61238, 122476, 244952, 489904]

約数ペア:

[(1, 489904), (2, 244952), (4, 122476), (8, 61238), (16, 30619), (67, 7312), (134, 3656), (268, 1828), (457, 1072), (536, 914)]