440542336

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{264749}}^1$

素因数の和:264776

約数の個数: 32

約数和(自身を含む): 945157500

約数和(自身を除く): 504615164

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 1664, 264749, 529498, 1058996, 2117992, 3441737, 4235984, 6883474, 8471968, 13766948, 16943936, 27533896, 33887872, 55067792, 110135584, 220271168, 440542336]

約数ペア:

[(1, 440542336), (2, 220271168), (4, 110135584), (8, 55067792), (13, 33887872), (16, 27533896), (26, 16943936), (32, 13766948), (52, 8471968), (64, 6883474), (104, 4235984), (128, 3441737), (208, 2117992), (416, 1058996), (832, 529498), (1664, 264749)]