215675376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{641891}}^1$

素因数の和:641909

約数の個数: 40

約数和(自身を含む): 636756864

約数和(自身を除く): 421081488

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 641891, 1283782, 1925673, 2567564, 3851346, 4493237, 5135128, 7702692, 8986474, 10270256, 13479711, 15405384, 17972948, 26959422, 30810768, 35945896, 53918844, 71891792, 107837688, 215675376]

約数ペア:

[(1, 215675376), (2, 107837688), (3, 71891792), (4, 53918844), (6, 35945896), (7, 30810768), (8, 26959422), (12, 17972948), (14, 15405384), (16, 13479711), (21, 10270256), (24, 8986474), (28, 7702692), (42, 5135128), (48, 4493237), (56, 3851346), (84, 2567564), (112, 1925673), (168, 1283782), (336, 641891)]