1387328

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:474

約数の個数: 28

約数和(自身を含む): 2811780

約数和(自身を除く): 1424452

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 106, 212, 409, 424, 818, 848, 1636, 1696, 3272, 3392, 6544, 13088, 21677, 26176, 43354, 86708, 173416, 346832, 693664, 1387328]

約数ペア:

[(1, 1387328), (2, 693664), (4, 346832), (8, 173416), (16, 86708), (32, 43354), (53, 26176), (64, 21677), (106, 13088), (212, 6544), (409, 3392), (424, 3272), (818, 1696), (848, 1636)]