401045768

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{409}}^1\times {\mathrm{6451}}^1$

素因数の和:6885

約数の個数: 32

約数和(自身を含む): 793596000

約数和(自身を除く): 392550232

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 409, 818, 1636, 3272, 6451, 7771, 12902, 15542, 25804, 31084, 51608, 62168, 122569, 245138, 490276, 980552, 2638459, 5276918, 10553836, 21107672, 50130721, 100261442, 200522884, 401045768]

約数ペア:

[(1, 401045768), (2, 200522884), (4, 100261442), (8, 50130721), (19, 21107672), (38, 10553836), (76, 5276918), (152, 2638459), (409, 980552), (818, 490276), (1636, 245138), (3272, 122569), (6451, 62168), (7771, 51608), (12902, 31084), (15542, 25804)]