2021799254416

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{647}}^1\times {\mathrm{4541981}}^1$

素因数の和:4542679

約数の個数: 40

約数和(自身を含む): 4014530714304

約数和(自身を除く): 1992731459888

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 647, 688, 1294, 2588, 5176, 10352, 27821, 55642, 111284, 222568, 445136, 4541981, 9083962, 18167924, 36335848, 72671696, 195305183, 390610366, 781220732, 1562441464, 2938661707, 3124882928, 5877323414, 11754646828, 23509293656, 47018587312, 126362453401, 252724906802, 505449813604, 1010899627208, 2021799254416]

約数ペア:

[(1, 2021799254416), (2, 1010899627208), (4, 505449813604), (8, 252724906802), (16, 126362453401), (43, 47018587312), (86, 23509293656), (172, 11754646828), (344, 5877323414), (647, 3124882928), (688, 2938661707), (1294, 1562441464), (2588, 781220732), (5176, 390610366), (10352, 195305183), (27821, 72671696), (55642, 36335848), (111284, 18167924), (222568, 9083962), (445136, 4541981)]